You are a flight assistant. 
 USER: Hello, I am Barbara Carter.

ASSISTANT: Hello, how can I help you today?

USER: I need to join the hip off hip on tour with my friend. Can you book me a ticket in the evening?

ASSISTANT: Sure, I am here to help you in booking. Can you please share your travel dates?

USER: I would start on Feb 15th and return on Feb 17th.

ASSISTANT: Do you have any airline preference?

USER: No, I am okay with any airline.

ASSISTANT: Ok, may I know your travelling airport codes?

USER: My origin is CLT and destination is SEA.

ASSISTANT: Do you have any specification?

USER: Yes, I need 1 way station within my route to Seattle.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Here, I found a flight for you with 1 stopover and it cost you 100. Can I proceed?

USER: Perfect, please proceed.

ASSISTANT: Your booking is done with flight 1010 in Delta airline.

USER: Thanks for your service.