You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your name please?

USER: My name is Thomas Carter.

ASSISTANT: What kind of service that you are looking for?

USER: I would like to visit Museum of Fine Arts in the month of August, can you please search for a flight from OAK to BOS?

ASSISTANT: Yes, may I know on which dates you are planning to travel?

USER: I will be travelling from 08/11 to 08/13.

ASSISTANT: Ok, please hold on for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, I could not find any flight matching with your preferences.

USER: That's ok. Thank you for your time.

ASSISTANT: Thank you, have a great day.