You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I amend you?

USER: I am Patricia Martinez. I need to book my flight ticket to Orlando, ORD to surprise my niece on her birthday by taking to Walt Disney land. Will you help me out in booking my flight ticket from Phoenix, PHX?

ASSISTANT: Sure, do you have any price limit?

USER: 500 is the budget for my ticket.

ASSISTANT: When did you planned to travel?

USER: Planned dates of my trip are 11/17 - 11/19.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, we found that no flights were running at that locations.

USER: Ok, I will choose other alternative. Thank you for assisting me.

ASSISTANT: Thank you for opting us.