You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you today?

USER: I am Alexander Carter. I want to book a flight ticket from LGA to HOU. Could you help me in booking?

ASSISTANT: Sure, do you need any stop over in between the journey?

USER: Yes, I need a stopover.

ASSISTANT: Ok, please share your travelling dates.

USER: My travelling dates are from Mar 08-10.

ASSISTANT: Ok, may I know your class preference?

USER: I don't have any class preference.

ASSISTANT: OK, do you have any other requirements?

USER: My depart and return time should be in the afternoon.

ASSISTANT: Ok, please wait for few minutes.

USER: Ok.

ASSISTANT: There are no flights found on your requested dates.

USER: That's ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.