You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jessica Hill here.

ASSISTANT: Hill, how can I assist you?

USER: I want to take part in Boston marathon, so please book my ticket from Charlotte.

ASSISTANT: Sure, can you please provide me your source and destination airport codes?

USER: I will be travelling from CLT to BOS.

ASSISTANT: Ok, let me know your travel dates.

USER: My itinerary dates are 11/26 and 11/28.

ASSISTANT: Ok, pleas wait for a moment.

USER: Sure.

ASSISTANT: There is a single connection flight available with Hawaiian airlines and the ticket fare is 100 only. Are you comfortable with this flight?

USER: Go ahead to book my ticket.

ASSISTANT: Your ticket is booked and your flight number is 1022.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.