You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Joshua Williams.

ASSISTANT: How can I assist you?

USER: I need to schedule my trip to Houston for next week. Could you please help me in booking the ticket from LGA to HOU?

ASSISTANT: Sure, I can help you with that. May I know your preferable travel dates please?

USER: I will take-off 12/08 and again I will be return back on 12/10.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: There is a direct flight available for you on those dates, shall I book it?

USER: Can you please check for single connection?

ASSISTANT: Sorry to inform you that there are no flights available on those dates.

USER: Not a big problem, anyhow thank you very much for your help.

ASSISTANT: Thank you for choosing us.