You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What help that I can aid for you?

USER: I am Jason Collins, I need to book a flight ticket to HOU from BOS in the month of January.

ASSISTANT: Sure, I am here to help you in flight ticket booking.

USER: Thank you.

ASSISTANT: May I know on what dates that you have planned your trip?

USER: Yes, my travelling dates are 01/07 and 01/09.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Thank you for waiting, I could not find any flight on the dates which you have mentioned to book your ticket.

USER: Not a problem, anyway thank you for the help.

ASSISTANT: Sorry for the trouble, thank you for reaching us. Have a nice day.

USER: You are welcome.