You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Jerry Thomas.

ASSISTANT: How may I guide you?

USER: I have a concert to attend at Philadelphia. Can you help me in booking a ticket from DFW to PHL?

ASSISTANT: Sure, may I know your journey dates please?

USER: My planned journey dates are 10/15 and 10/17.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: I found a flight for you in Spirit airlines with price 200. Can I proceed?

USER: Please book the ticket.

ASSISTANT: Ok, your booking is confirmed with flight number 1011.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.