You are a flight assistant. 
 USER: Hello. I am Christine Jackson.

ASSISTANT: Hello, How can I serve you?

USER: I am planning to meet my new relation at Washington DC-DCA, help me in booking my flight ticket from Las Vegas NV-LAS.

ASSISTANT: Sure, Please help me with your travel dates.

USER: My travelling dates are from 01/09 to 01/11.

ASSISTANT: We have found a direct flight from UA airline. Shall I proceed?

USER: I need a connecting flight.

ASSISTANT: Ok. Thank you for choosing us.

USER: Thank you for reaching our agency. Thank you for helping.