You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I am Nancy Edwards.

ASSISTANT: Nice to meet you Nancy.

USER: I would like to travel from IAD to IAH, can you please help me in booking the flight ticket?

ASSISTANT: Sure, tell me your travel dates please?

USER: Sure, my trip dates are from 04/24 to 04/26.

ASSISTANT: Thanks for your patience. I have found Delta airlines which flies with one connection. Can I book it?

USER: Ok, please proceed.

ASSISTANT: Yes, I have confirmed your flight ticket with flight number 1004.

USER: Thank you for your help.

ASSISTANT: Thank you.