You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Cynthia Davis.

ASSISTANT: How may I serve you today?

USER: I want to book a ticket from ORD to PHX to attend seminar, can you help me in booking?

ASSISTANT: Sure, please provide your travelling dates?

USER: I am departing on Apr 09 and return on Apr 11.

ASSISTANT: Do you need any halt in between the journey?

USER: I need a flight with connection limit 1.

ASSISTANT: Ok, may I know how much you can afford for a flight ticket?

USER: My fare is 500.

ASSISTANT: Ok, do you prefer any business class or economy class?

USER: I need a business class.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure, take your time.

ASSISTANT: We found a Delta airline with fare of 100 and a economy class matches your schedule. Shall I proceed with booking?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been confirmed with flight number 1020.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.