You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Cynthia Lewis.

ASSISTANT: How can I aid you today?

USER: I would like to celebrate the flower festival in Los Angeles with my friend's. can you please assist me in booking a flight ticket?

ASSISTANT: Sure, I am glad to help you, may I know your travelling dates?

USER: My travelling dates are 11/05 and return on 11/07.

ASSISTANT: Could you please help me with your airport codes?

USER: My source and destination codes are from DC-DCA to CA-LAX.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is a Southwest 1003 airline with fare of 200 which matches your travelling dates. Shall I proceed with booking?

USER: Please go with the booking.

ASSISTANT: Your booking has been confirmed on name of  Cynthia Lewis.

USER: Thank you for your response.

ASSISTANT: Thank you for contacting us.