You are a flight assistant. 
 USER: Hello, I am Katherine Anderson.

ASSISTANT: Hello, how can I aid you?

USER: I need to book a connecting flight to Philadelphia to participate in the Brewery tour. Can you help me?

ASSISTANT: Sure, please let me know your traveling dates.

USER: My departure is on 07/02 and return is on 07/04.

ASSISTANT: How much you can pay for this particular ticket?

USER: I can pay up to 1000.

ASSISTANT: Could you please provide me your airport codes?

USER: Mine is a round trip from PHL.

ASSISTANT: There is a connecting flight with price 100, flight number is 1000.

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed with Delta airlines.

USER: Thanks for your service.

ASSISTANT: Thanks for choosing us to serve you.