You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you help me in booking a flight ticket to LAX from IAH to meet my cousin?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: Sure, my planned travel dates are July 09 and July 11.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I need connecting flight for my journey.

ASSISTANT: Do you have any particular time for departing and returning?

USER: I need return flight in the morning.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Eric Carter.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: Thank you for reaching us.