You are a flight assistant. 
 USER: Hello, I am Gregory Walker.

ASSISTANT: Hello, how can I assist you?

USER: I want to participate in city tour. Can you book me a connecting flight to Phoenix?

ASSISTANT: Sure, we are here to help you. Let me know when you are willing to travel?

USER: I would start on 09/15 and return on 09/17.

ASSISTANT: How much afford you can spend?

USER: I can pay up to 5000.

ASSISTANT: Can you share me your journey locations to book a flight ticket?

USER: I will board it DFW and land at PHX.

ASSISTANT: Ok, wait for some time.

USER: Ok.

ASSISTANT: We found AA airline with connecting flight and number 1004 fare of 100. Shall I proceed for booking?

USER: Ok, please book me a ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your support.

ASSISTANT: Thanks for choosing us.