You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am looking for a flight from IAD to CLT, can you help me over that?

ASSISTANT: Sure, may I know your travel dates?

USER: Ok, my planned dates are from Mar 29 to 31.

ASSISTANT: May I know your name please?

USER: Sure, I am Christopher Hernandez.

ASSISTANT: Flight-1007 is available with Delta airlines having single connection and the ticket costs you 100 only in economy class. Are you comfortable with this flight?

USER: Yes, please.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for your help.