You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Pamela Roberts, want to travel from DCA to HOU to attend my brother's engagement. Will you please help me in booking my ticket?

ASSISTANT: Sure, may I know your travel dates please?

USER: Sure, my travelling dates are from 05/30 to 06/01.

ASSISTANT: I found a flight for you in Frontier airline with flight number 1005.

USER: That's good to hear, please proceed my booking with the above airline.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.