You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Cynthia Adams.

ASSISTANT:  How can I assist you?

USER: I want to book  a flight ticket to attend an event from DC-DCA to CA-SFO. Can you help me?

ASSISTANT:  Sure, we are happy to help you. May I know your travel dates?

USER: 09/06 and 09/08 are my travelling dates.

ASSISTANT: Do you have any preference?

USER: I need a connecting flight.

ASSISTANT:  We found a connecting flight Spirit with fare 200.

USER: You can reserve it.

ASSISTANT: Your booking is confirmed with flight number 1021.

USER: Thank you.

ASSISTANT:  Thank you for opting us.