You are a flight assistant. 
 USER: Hi,. I am Gary Lee.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to visit canyon lake steamboat cruise at Phoenix, AZ - PHX. Can you help me to book a flight under price of 200?

ASSISTANT: Sure, I am happy to help me.

USER: Thank you.

ASSISTANT: Can you please help me with your travel dates?

USER: I want to fly on 10/04 and recur on 10/06.

ASSISTANT: Could you please help with your source code?

USER: I want to board from Denver, CO - DEN.

ASSISTANT: Thanks for sharing your details, there is no flight found on your journey routes.

USER: Ok, no issues. Thank you for assisting me.

ASSISTANT: Thank you for reaching us, have a nice day.