You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: Myself Thomas Miller. I am looking for a flight from MSP to PHX, can you help me in booking the flight ticket?

ASSISTANT: Sure, I can help you. How much amount can you spend for buying this ticket?

USER: I can spend up to 5000.

ASSISTANT: On what dates you want me to book the ticket?

USER: My planned travel dates are 09/12 and 09/14.

ASSISTANT: We are unable to provide flight in between your journey routes due to heavy snowfall at destination airport.

USER: That's ok, no problem. Thank you for the valuable information.

ASSISTANT: Thank you for choosing us.