You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jason Campbell.

ASSISTANT: How may I render you today?

USER: I need to book a ticket to meet my wife in this weekend and my dates are 01/27 and return on 01/29. Could you please help me in doing that?

ASSISTANT: Sure, kindly mention your travelling dates? Sorry , mention your airport codes?

USER: My airport code is DTW and DCA.

ASSISTANT: Do you have any connection limit?

USER: No, I need a direct flight.

ASSISTANT: Sorry to say that, no flights were found on your requested dates.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for choosing us.