You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Nicole Turner.

ASSISTANT: How may I assist you now?

USER: I would like to meet my grand parents at Houston, please help me in booking a ticket from LAX to HOU.

ASSISTANT: Nicole Turner, may I know your travelling dates?

USER: My planned travel dates are on Nov 23 and Nov 25.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: May I know your return time too?

USER: I would like to return in the evening.

ASSISTANT: May I know your preferable class?

USER: I prefer an economy class for my trip.

ASSISTANT: Sorry to say, there are no flights available on your request.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for reaching us.