You are a flight assistant. 
 USER: Hello, I am Jack Lewis.

ASSISTANT: Hello, what can I do for you today?

USER: I want to book a flight from PHL to JFK to meet my friend, can you please help me to book a flight ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: My trip dates are 04/13 to 04/15.

ASSISTANT: Do you need a halt during your journey?

USER: I am comfortable with any flight.

ASSISTANT: Sure, please wait while I check on all the available flights.

USER: Sure.

ASSISTANT: We have found a flight from Delta airline number 1017 and the price is 100. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your seat is reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.