You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you at this moment?

USER: My name is Donald Phillips.

ASSISTANT: Welcome to flight booking agency Donald.

USER:  I have an important meeting in New York, so I need a flight ticket to go there. Can you please search a flight for me from Houston?

ASSISTANT: Sure, I am glad to help you with that.

USER: That's great to hear.

ASSISTANT: Can you please provide your preferable origin and destination airport codes to go there?

USER: My source airport code is IAH and my destination is JFK.

ASSISTANT: Ok, may I know your departure and return dates of travelling?

USER: Sure, I probably planned my trip dates to depart on 12/18 and return back on 12/20.

ASSISTANT: Please wait a moment to check the flights availability.

USER: Sure, take your time.

ASSISTANT: Based on your information, I have found a flight with 1 connection with the fare of 100 provided by UA airlines. Shall I proceed with this?

USER: Please proceed with the booking.

ASSISTANT: Ok, your ticket has been booked in flight number 1002.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, hope you have a great journey.