You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Andrew Perez. I planned to meet my cousin in BOS, can you please help me to book a flight ticket from HOU?

ASSISTANT: Sure, I am here to assist you. Could you please let me know your travel dates?

USER: I prefer to travel on Oct 2 and Oct 4.

ASSISTANT: Ok, please provide us your specifications.

USER: I prefer to travel in 1 connecting flight and return back in afternoon.

ASSISTANT: Please wait for a while, I will check for the available flights.

USER: Sure.

ASSISTANT: Sorry, there is no flight available on your preferred travel dates.

USER: Ok, no problem.

ASSISTANT: Thank you so much for contacting us.