You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Welcome to our agency, how may I help you?

USER: I am looking for flight reserving agencies to reserve my ticket, is this a booking agency?

ASSISTANT: Yes, it is flight ticket booking agency.

USER: I am Helen Roberts and I need to travel to SEA to shoot my new song in Ice land mountains which is in Seattle. Can you search for a flight on 03/25?

ASSISTANT: Sounds good Helen, could you provide me your source airport code please?

USER: Currently, I am staying in Los Angels and LAX is my nearest airport location that I prefer to start.

ASSISTANT: Do you have any plans for return journey?

USER: Yes, I am having a return journey too on 03/27 after completion of my shooting.

ASSISTANT: Please wait a minute while I check for availability of flights.

USER: Ok, but make sure that I am looking for a low ticket fare under 5000. Please find a flight based on my fare.

ASSISTANT: Helen, there is a flight with economy ticket available for price 100 inclusive of all taxes. Shall I book it with your name?

USER: I would like to reserve my ticket under the name of Helen Roberts.

ASSISTANT: Sure Roberts, your ticket is confirmed with UA airlines and the flight number is 1003. You will get an e-ticket to your mail within an hour.

USER: I will appreciate you service that you have done a great job in booking and quick in response. Thank you for your help.

ASSISTANT: Thank you for choosing our agency.

USER: Welcome.

ASSISTANT: Have a safe journey.

USER: Thank you.