You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I am Gary Evans, can you help me to book a flight from SEA to PHL?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: My travelling dates are 08/11 and 08/13.

ASSISTANT: Wait a moment please.

USER: Ok.

ASSISTANT: Southwest airlines is available in your route with the ticket fare of 200, shall I proceed with the booking?

USER: Proceed with booking.

ASSISTANT: Your ticket is booked with the flight-1027.

USER: Thank you.

ASSISTANT: Thank you for reaching us.