You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Larry Martinez, want to travel from PHL to DCA. Please help me.

ASSISTANT: Sure, may I know your travelling dates to proceed further?

USER: My travelling dates are from 11/09 to 11/11.

ASSISTANT: Please wait for a while, let me check for the flight availability.

USER: Sue. Sure.

ASSISTANT: Southwest airlines is having a connecting flight with a fare of 100, shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your ticket has been reserved with the flight-1014.

USER: Thank you.

ASSISTANT: Welcome, have a safe journey.