You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Joseph Martin.

ASSISTANT: Joseph Martin, how can I assist you now?

USER: I need to book a flight ticket from DFW to ATL, Can you please help me for booking?

ASSISTANT: Ok, I will do it.

USER: Thank you.

ASSISTANT: For booking a ticket, may I have your dates of journey?

USER: I would like to travel on 12/09 to 12/11.

ASSISTANT: How much can you afford for your journey?

USER: I can pay up to 200.

ASSISTANT: There is a flight with 1 connection of price 800. Is it comfortable to you?

USER: Ok, proceed for booking.

ASSISTANT: Price: 800.

USER: Do not proceed with booking, tanks for your information.

ASSISTANT: Fine, thank you for choosing us.