You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me in booking my flight ticket from HOU to DEN?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: My travelling dates are Dec 29 and Dec 31.

ASSISTANT: Do you have any other preferences?

USER: I need connecting flight.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: Thanks for your information.

ASSISTANT: Can I know your name?

USER: Myself Scott Scott.

ASSISTANT: Thank you for contacting us.