You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I want to meet my ex-husband, so please book my ticket from IAD to OAK.

ASSISTANT: Sure, I will help you. Please help me with your planned travelling dates.

USER: My itinerary dates are Mar 19 and Mar 21.

ASSISTANT: Please help me with your name.

USER: Dorothy Davis here.

ASSISTANT:  Do you need a break in your journey?

USER: I need a connecting flight.

ASSISTANT: Do you have any other preferences in your journey?

USER: I want to depart in the afternoon.

ASSISTANT: Please help me with your preferred class to fly.

USER: I have no other preferences.

ASSISTANT: We have a connecting flight operated by JetBlue Airlines with a fare of 100 only. Is it ok for you?

USER: Book my ticket.

ASSISTANT: I have booked your ticket in flight-1000.

USER: Thank you.

ASSISTANT: Thank you for reaching us. Have a great time.