You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I want to reserve my ticket from DCA to OAK, can you please help me in booking my ticket?

ASSISTANT: Sure, can you please help me with your planned travel dates?

USER: Sure, my planned dates of journey are from Jan, 09 to Jan, 11.

ASSISTANT: May I know your name please to proceed further?

USER: Sure, my name is Donna Thompson.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I want to fly in a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: I found an economy class in United Airlines with fare 200 and it has single connection. Can I book your ticket?

USER: Ok, you can proceed with this ticket booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1001.

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

ASSISTANT: Thank you for reaching us.