You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Emma Garcia. Can you please help me in flight ticket booking from BOS to IAH to attend a convocation meeting?

ASSISTANT: Sure, I will help you with the flight ticket booking. May I know your travel dates please?

USER: Thank you for accepting my request and I have planned my travelling dates on 12/06 and after I will catch return flight on 12/08.

ASSISTANT: Please wait for a moment. While I am checking for the available flights.

USER: Sure, I will wait for your positive response.

ASSISTANT: Thanks for waiting online. But I am sorry to inform you that presently there are no flights available with us.

USER: Sad to hear from your end that there is no flight to reach my destination but anyways, thank you for your search and providing your valuable information.

ASSISTANT: Thanks for contacting us.

USER: You are most welcome.