You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to visit Atlanta with my friends. Can you do the reservation?

ASSISTANT: Sure, let me know your preferable dates?

USER: My trip dates are 05/28 and 05/30.

ASSISTANT: Ok, may I know your source and destination airport codes ?

USER: My airport codes are IAH-ATL.

ASSISTANT: Can I know your name?

USER: Carolyn Robinson here.

ASSISTANT: UA airline is available for you with 1 connection and fare is 100. Shall I proceed?

USER: Go ahead.

ASSISTANT: Your ticket is booked and flight number is 1016.

USER: Thank you.

ASSISTANT: Thank you for reaching us.