You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am Betty walker want to book a flight ticket from Washington, DCA to Oakland, OAK. Can you help me in booking with a connecting flight?

ASSISTANT: Sure, may I know your budget for your flight ticket?

USER: 1000 is my price limit.

ASSISTANT: Ok, let me know your planned trip dates?

USER: My travelling dates are from 06/21 to 06/23.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, flight- 1015, airline- UA, price- 100 with connection-1 matches your requested details.

USER: Ok, Proceed with booking.

ASSISTANT: Ok, your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.