You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Myself Debra White, I am planning this weekend to visit Houston. Can you please help me in reserving the ticket from ORD to HOU?

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

USER: I am willing to drop-off 02/19 and again I will retrieve on 02/21.

ASSISTANT: How much you can afford for this ticket?

USER: I can afford only 1000.

ASSISTANT: We found a flight on your details with airline Delta, flight number: 1004. Shall I book this ticket?

USER: Yes, please go ahead and reserve the ticket.

ASSISTANT: Your ticket has been reserved.

USER: Thank you very much for reserving the ticket.

ASSISTANT: Thank you.