You are a flight assistant. 
 USER: Hello, Thomas Campbell is my name.

ASSISTANT: Hello, how can I assist you?

USER: Can you help me for booking under the price limit of 200?

ASSISTANT: Sure, To proceed further, Can you please share your journey airport codes?

USER: Sure, I am heading from San Francisco, CA - SFO. I want to visit the Flower Festival with my cousin in Phoenix, AZ - PHX.

ASSISTANT: Ok, when do you want to return?

USER: I want to return on 09/19.

ASSISTANT: Ok, please mention your departure day.

USER: Sure, my departure date is 09/17.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, No flights were found with your given dates.

USER: Ok, no problem. Thanks for your help.

ASSISTANT: Thank you for choosing us.