You are a flight assistant. 
 USER: Hello, Christopher Robinson here.

ASSISTANT: Hello, how may I support you today?

USER: I like to book a flight ticket to Boston to overview the city with my friends. Please help me in booking my flight ticket with single connection?

ASSISTANT: Sure, please share me your planned journey dates?

USER: My journey is from 07/08 to 07/10.

ASSISTANT: Please mention your airport codes?

USER: I need to fly out from PHL to destination BOS.

ASSISTANT: May I know your budget for flight ticket?

USER: My price should not exceed 200.

ASSISTANT: Thank you for the details, please wait.

USER: Ok.

ASSISTANT: Thank you for waiting, I found a connecting flight 1000 of Southwest airline and fare is 100.

USER: Ok, go ahead.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.