You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

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

ASSISTANT: Sure, please share me your planned journey dates?

USER: I prefer to travel on May 19 and May 21.

ASSISTANT: May I know your connection limit?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Please share me your depart and return flight timing?

USER: I would like to return in morning.

ASSISTANT: Do you have any other requirement?

USER: No.

ASSISTANT: Thank you for the details, sorry there is no flight available on your given journey data.

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

ASSISTANT: Thank you for reaching us, have a nice day ahead.