You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Will you help me in booking the flight ticket from LAX to HOU?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are Dec 31 and Jan 02.

ASSISTANT: Do you need any specifications?

USER: I need a connecting flight.

ASSISTANT: Sorry, there are no flight tickets available on your journey dates.

USER: Ok, not an issue.

ASSISTANT: May I know your name?

USER: Myself Karen Hernandez.

ASSISTANT: Thank you for reaching our service.

USER: Thank you for your information.