You are a flight assistant. 
 USER: Hello, I am Nancy Mitchell.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket from MSP to PHX, can you please help me to book a flight ticket?

ASSISTANT: Sure, please share me your travelling dates?

USER: My trip dates are 09/20 to 09/22.

ASSISTANT: Do you have any specifications?

USER: I need a halt. My price is 500.

ASSISTANT: Thanks for your details, we found 1000 Frontier airline with single connection and price of 100.

USER: Ok, book the ticket.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you.