You are a flight assistant. 
 USER: Hello. I am Amy Collins.

ASSISTANT: Hello, how may I be there for you?

USER: I want to book a flight ticket within a price limit of 200 to watch live sports events in Phoenix.

ASSISTANT: Sure, may I know your preferred travel dates?

USER: 09/30 and 10/02 are my schedule journey dates.

ASSISTANT: Kindly share your airport codes.

USER: I want to start from Houston, TX-IAH to reach Phoenix, AZ-PHX.

ASSISTANT: Do you need a lay by?

USER: I need a lay by in between my journey.

ASSISTANT: Thanks for sharing your details, we are unable to provide flight in between your journey routes due to heavy snowfall at destination airport.

USER: No issues, I'll choose any alternative to reach my destination. Thank you.

ASSISTANT: Thank you for opting us.