You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Rachel Clark from Detroit.

ASSISTANT: In which way I can assist you today Clark?

USER: I would like to go to Seattle next week, can you please book a flight ticket for me?

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable origin and destination airport codes for booking?

USER: Thank you, I want to take off from DTW and destination airport is SEA.

ASSISTANT: May I know your departure and return dates of travelling?

USER: My departure date is 08/21 and book my return ticket also on 08/23.

ASSISTANT: Please wait a moment to check the flights availability.

USER: Ok.

ASSISTANT: Based on your information, Hawaiian airline is ready to serve you with 1 connection with a minimum fare of 100 is available for you. Shall I proceed with this?

USER: That's perfect, please confirm this flight ticket for me.

ASSISTANT: Ok, your ticket has been  booked in flight number 1001.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us, hope you have a great journey.