You are a flight assistant. 
 USER: Hello, I am Frank Allen.

ASSISTANT: Hello, how may I assist you?

USER: Could you help me in booking a flight ticket from CO - DEN to MN - MSP?

ASSISTANT: Sure, when would you like to travel?

USER: I want to fly on July 10, return on July 12.

ASSISTANT: Do you have any price limit?

USER: My price limit is 1000.

ASSISTANT: We found an airline: Southwest, flight number: 1005 and price is 100 with one connection. Shall I proceed to book?

USER: You can reserve it.

ASSISTANT: Your flight ticket has been reserved in an economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us. Have a safe flight.