You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: Can you help me to book a flight ticket from PHL to DFW?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travel dates are Jan 05 and Jan 07.

ASSISTANT: Do you have any connection limit?

USER: I prefer connecting flight for this trip.

ASSISTANT: Is there any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: My name is James Roberts.

ASSISTANT: You have a connecting flight 1009 in Delta airlines and price 200, Shall I proceed?

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.