You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I assist you today?

USER: Can you please book a flight from DCA to JFK?

ASSISTANT: Sure, May I know your travelling dates?

USER: Sure, the travelling dates are Jan 5 to Jan 7.

ASSISTANT: Are you looking for a connecting flight?

USER: Yes, I feel comfortable to travel in a connecting flight.

ASSISTANT: To proceed further I need your name.

USER: You can proceed to book a ticket with my name Kevin Thompson.

ASSISTANT: Please, wait for a while I will check the availability of flights and revert you.

USER: Sure.

ASSISTANT: Thanks for your time, there is no flight found in search.

USER: Ok, not an issue. Thanks for the quick response.

ASSISTANT: Thank you for reaching us.