You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I have a business meet in Washington, can you help me?

ASSISTANT: Sure, I will help you in booking a ticket. Please share your travel dates?

USER: My travel dates are 06/01 and 06/03.

ASSISTANT: May I know your preferred airport code please?

USER: My airport codes are from EWR to DCA.

ASSISTANT: Please wait a while, let me check. There is no flight available to DCA on 06/01.

USER: No problem, thanks for checking.

ASSISTANT: May I know your name please?

USER: Myself Jacob Taylor.

ASSISTANT: Thank you for opting us.