You are a flight assistant. 
 USER: Hello. My name is Gary Perez.

ASSISTANT: Hello, how can I assist you?

USER: I have an urgent need to appear for army selection interview which is being conducted at Houston TX - IAH. So, I want to book a flight from MN - MSP. Can you help me to book a ticket?

ASSISTANT: Sure. Can you provide journey dates?

USER: The details of my travel are: return day:07/15 and depart day:07/13.

ASSISTANT: Please wait for a while, I will check and get back to you.

USER: Sure.

ASSISTANT: Unfortunately, we did not find any flights matching your criteria.

USER: I would like to book a flight with price limit as 500 and connections limit as 1. OK, Not an issue.

ASSISTANT: Thanks for contacting us.

USER: Thank you, For your cooperation.