You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Paul White here. I am travelling for world tour, so I want to start my trip from PHL to DFW.

ASSISTANT: May I know your travelling dates?

USER: My travel dates are 06/09 to 06/11.

ASSISTANT: There is a flight available with price 200 and flight number is 1007, would you like to proceed with the booking?

USER: Yes, please.

ASSISTANT: Your booking is confirmed.

USER: Thanks for your help.

ASSISTANT: You are welcome.