You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Anthony King here.

ASSISTANT: How can I assist you at this moment?

USER: I'm planning to participate in kite festival, can you book a ticket from LGA to HOU?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: Sure, my planned departure and return travel dates are 14th and 16th of January.

ASSISTANT: Do you have any class preference?

USER: No, I'm ok with any class.

ASSISTANT: Do you have any connection limit preference?

USER: I need a direct flight.

ASSISTANT: May I know your specific depart and arrival timings?

USER: I want to return in the morning and I don't have any issues about departure time.

ASSISTANT: Do you have any airline preference for this trip?

USER: No, I'm ok with any airlines.

ASSISTANT: Anthony King, we regret to inform you that there are no flight services are available on this route with your preferences.

USER: Oh! That's ok, thank you for giving the information anyways.

ASSISTANT: Thank you for contacting us.