You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to book a flight in the month of December to meet my friend on her Birthday, so please help me in booking a flight to Washington.

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

USER: Thank you. My travelling dates are on Dec 31st to Jan 2nd.

ASSISTANT: May I know your source point and destination point?

USER: My airport codes are SFO - DCA.

ASSISTANT: Do you have any other specifications?

USER: Yes, I would like to travel in economy class.

ASSISTANT: May I know your name?

USER: Sure, this is Justin Walker.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: We found Jetblue airline with connecting flight and number 1006 fare of 100, Shall I proceed for booking?

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you so much.

ASSISTANT: Thanks for approaching us.