You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please help me in booking a flight ticket from Seattle, SEA to Phoenix, PHX?

ASSISTANT: Do you have any specification?

USER: I need a flag stop in between journey.

ASSISTANT: Please share me your name.

USER: My name is Helen Campbell.

ASSISTANT: Please share me your travel dates.

USER: My journey dates are from Dec 31 to Jan 02.

ASSISTANT: Flight-1001 is available with Hawaiian airlines having single connection and the ticket costs you 100 only in business class. Are you comfortable with this flight?

USER: Sure, you can proceed for booking.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for your help.

ASSISTANT: Thank you.