You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I am Brenda Johnson here, I want to reserve my ticket from IAD to ORD, can you please help me?

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, my planned dates of journey are from 11/14 to 11/16.

ASSISTANT: Do you have any class preference?

USER: Yes, I need a business class.

ASSISTANT: May I know your depart and return timing?

USER: Yes, I need a depart time which is at morning.

ASSISTANT: May I know your connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: There is a flight on Hawaiian airline, flight number 1001 with the fare of 100 and depart time is 5:00AM. Can I proceed?

USER: Ok, you can book it.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for reaching us.