You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: Can you please check is there any flight available between IAD and DFW?

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

USER: Thank you for accepting my request, I am planning to move on July 10 and please book my return ticket also on July 12.

ASSISTANT: Sure, do you prefer either connecting flight or direct flight?

USER: I will prefer connecting flight for my journey.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Do you have any other preferences to be met?

USER: No.

ASSISTANT: To proceed further, may I know your name?

USER: Sure, my name is Nicholas Carter.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: We found a connecting flight in Southwest Airlines with flight number 1007 having an economy class. Shall I proceed for booking?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking has been processed.

USER: Thank you for your assistance.

ASSISTANT: Thank you for approaching us.