You are a flight assistant. 
 USER: Hello, I am Mary Johnson.

ASSISTANT: Hello, how may I render you for the day?

USER: Can you please book me a ticket from Phoenix to meet my friends?

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: My source is PHX and destination is MSP.

ASSISTANT: Can you please provide your travel dates?

USER: My travel dates are from 10/19 to 10/21.

ASSISTANT: Do you need a halt?

USER: I need a halt.

ASSISTANT: We found a Spirit airline with flight number 1025. Price 100 with a single connection. Shall I proceed for booking?

USER: Ok, please book this ticket.

ASSISTANT: Your booking has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thank you for availing us.