You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I render you?

USER: Please book a ticket from Phoenix, AZ-PHX to San Francisco, CA-SFO.

ASSISTANT: Sure, may I know your dates of travel?

USER: Travel dates are from 03/20 to 03/22.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need a halt in between journey.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We found an airline Southwest with flight 1002 having a fare 100 with halt. Shall I move forward with booking?

USER: Please book a ticket.

ASSISTANT: May I know your name for booking?

USER: My name is Thomas Hall.

ASSISTANT: Your booking has been done.

USER: Thanks.

ASSISTANT: Thank you.