You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to travel from DCA to OAK, help me in booking a flight?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates to book a flight ticket?

USER: I like to travel on Nov 29 to Dec 01.

ASSISTANT: Do you have any other specifications?

USER: I prefer single connection flight.

ASSISTANT: May I know your name?

USER: I am Nancy Wilson.

ASSISTANT: Ok, wait for some time.

USER: Ok.

ASSISTANT: We found United airlines with connecting flight and number 1001 fare of 100, Shall I proceed for booking?

USER: Proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for approaching us.