You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you aid me to book a flight ticket from IAD to DFW?

ASSISTANT: Sure, may I know your connection limit please?

USER: I choose connecting flight to travel.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My trip dates are Nov 15 and Nov 17 respectively.

ASSISTANT: On what name, do I need to reserve the ticket?

USER: Brian Moore here.

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

USER: No other preferences to met from my side.

ASSISTANT: There is a connecting flight 1005 in United Airlines at the price of 100 with economy class. Can I proceed?

USER: Please proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for approaching us.