You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you?

USER: I want to book a ticket from IAH to DCA, please help me with it.

ASSISTANT: Sure, Can I have your name please?

USER: I am Robert Moore.

ASSISTANT: When do you planned to travel?

USER: My travelling dates are from 01/29 to 01/31.

ASSISTANT: Robert, please wait a moment.

USER: Ok.

ASSISTANT: I am happy to say you that Delta airline is having some vacancy at a price of 100 with single halt. Shall I make a move?

USER: Yes, please.

ASSISTANT: Your seat is reserved in flight number 1001 on the name Robert Moore.

USER: Thank you.

ASSISTANT: Thank you for approaching us.