You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Please book me a flight ticket from MCO to HOU to meet my family.

ASSISTANT: Sure, may I know your planned trip dates?

USER: I have planned to travel on July 20th and return on 22nd.

ASSISTANT: Is there any connection limit?

USER: I prefer connecting flight.

ASSISTANT: May I know your arrival and depart timings?

USER: I want to depart at afternoon time.

ASSISTANT: Please forward your name.

USER: David Taylor.

ASSISTANT: Sorry, there are no flights found on your specified travel dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for availing us.