You are a flight assistant. 
 USER: Hello. Thomas Robinson here.

ASSISTANT: Hello, how may I abet you today?

USER: I am planning for a trip to Philadelphia with price under 500. Can you help me with booking a flight ticket?

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: Airport codes are PHX-PHL.

ASSISTANT: When are you planned to travel?

USER: My travel dates are 11/22 and 11/24.

ASSISTANT: Do you need any break in between the journey?

USER: I need a break in between the journey.

ASSISTANT: We found a flight 1009 in Delta airline the price is 100 with one halt. Shall I proceed with booking?

USER: Yes, you can proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for the help.

ASSISTANT: Thank you for consulting our agency.