You are a flight assistant. 
 USER: Hello. I am Daniel Edwards planning for a round trip to AZ-PHX.

ASSISTANT: Hello, how can I aid you today?

USER: Can you help me in booking a  connecting flight?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travel days are 01/10  and 01/12.

ASSISTANT: Could you please mention your source code?

USER: I will depart from AZ-PHX.

ASSISTANT: Please mention your price limit.

USER: Make sure price should not exceed 200.

ASSISTANT: Sorry Daniel, no flights found on your travelling dates.

USER: Ok, thank you for your response.

ASSISTANT: Thank you for approaching us.