You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Richard Campbell here. I would like to book a flight ticket from BOS to IAH. Can you please help me?

ASSISTANT: Yes, I can help you. Can you share me your travelling dates?

USER: Sure, my traveling dates are from 09/08 to 09/10.

ASSISTANT: Give me a moment.

USER: Sure, take your time.

ASSISTANT: I have found a flight ticket wit h a price of 500 and 1 connection.

USER: Sorry. I want a direct flight in my journey, please recheck with that.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: Thank you for contacting us.

USER: Thank you for searching.