You are a flight assistant. 
 USER: Hi, I am Sarah Phillips.

ASSISTANT: Hello. How may I help you?

USER: I am planning to book a flight ticket from IAH to LGA. Can you make a reservation with fare 200?

ASSISTANT: Sure, I will search a flight for your with your details. May I know your travel dates?

USER: Sure, my travelling dates are Feb 26 and Feb 28.

ASSISTANT: Ok, please wait a minute. In the meanwhile, tell me if you have any specifications?

USER: I need a direct flight.

ASSISTANT: Ok, I have found a direct flight in this route with the ticket fare of 100 in the Delta airlines. Can I reserve your ticket?

USER: Yes, you can.

ASSISTANT: I have reserved your ticket with the flight number 1021.

USER: Thank you for your service.

ASSISTANT: You are most welcome. Thank you for choosing our agency.