You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Matthew Lopez.

ASSISTANT: What can I do for you? Nice to meet you.

USER: I want to visit Faneuil Hall in Boston on the following dates that is from 10/30 to 11/01. Will you please help me in booking my ticket?

ASSISTANT: Yes, I am here to help you. Let me know your location airport codes, for a better search of flights?

USER: Sure, my airport codes are from SEA to BOS.

ASSISTANT: Thank you for your details, please hold on for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting. But sorry, there is no flight is available with your dates.

USER: Oh! It's ok, no issue.

ASSISTANT: Do you have any other preferable dates to fly?

USER: I will go on some other day. No, I will take your help for the next time.

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

USER: Thank you, same to you.

ASSISTANT: Welcome.