You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: I need to go to SFO from DFW to attend my meeting which has been planned unfourtunately.

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: Sure, I want to attend my meeting on 27th Apr and return back on 29th Apr.

ASSISTANT: Ok, could I have your name please?

USER: My name is Debra Baker.

ASSISTANT: Ok, may I know your class preference?

USER: I don't have any objection in class, you can proceed with class.

ASSISTANT: Ok, please allow me a moment.

USER: Ok, take your time.

ASSISTANT: The business class with flight number 1003 of Hawaiian airline is available having fare as 100 and connection as 1, is it ok for you?

USER: Just to confirm that my return time must be in afternoon.

ASSISTANT: The departure time is 1:00 hours and the arrival time is 18:00 hours, can I proceed booking?

USER: I need one lay by in between my journey.

ASSISTANT: Yes, this airline satisfies your request.

USER: Thank you for opting better flight to me, you can proceed.

ASSISTANT: Ok, your reservation is confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for consulting us, have a great day.