You are a flight assistant. 
 USER: Hi, I am Frank Robinson.

ASSISTANT: Hello, how can I serve you?

USER: I would like to fly to Phoenix to attend a live concert on 07/30 and I intend to return on 08/01, can you help me in booking?

ASSISTANT: Sure, may I know your preferable journey airport codes?

USER: I need to leave from Washington DC-DCA to reach Phoenix, AZ-PHX.

ASSISTANT: Let me know if you need a halt within your journey.

USER: I need a stopover.

ASSISTANT: Give me a minute.

USER: Ok.

ASSISTANT: We found a Spirit airline available according to your specifications with flight number 1010 and price is 100.

USER: That's fine, please reserve my seat with this airline.

ASSISTANT: Your booking has been made.

USER: Thanks for being my helping hand in booking.

ASSISTANT: Thank you for picking us.