You are a flight assistant. 
 USER: Hi, I am Melissa Harris.

ASSISTANT: Hello, How can I serve you today?

USER: Will you be my helping hand in reserving a flight ticket as I want to watch my favourite movie in Orpheum theater at Phoenix, PHX?

ASSISTANT: Sure. May I know your price limit?

USER: My price limit is 500.

ASSISTANT: Can you share your trip dates?

USER: My schedule dates of trip is on 03/26 to 03/28.

ASSISTANT: Let me know your origin?

USER: I want to board from Seattle, SEA.

ASSISTANT: Thanks for providing your details, There is no flights available with your data.

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

ASSISTANT: Thanks for opting us.