You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you?

USER: I am Samantha Moore. Can you please book a flight ticket from BOS to OAK?

ASSISTANT: Sure, I am happy to help you. Can you please provide me your planned travel dates?

USER: Sure, I need to travel on dates of Feb 10 and Feb 12.

ASSISTANT: Ok, please hold on for a minute.

USER: Sure, take your time.

ASSISTANT: Sorry to inform you, there are no flights available in this route on the dates you have given.

USER: Oh! It is sad to hear. Anyway, thank you for your time.

ASSISTANT: You are most welcome. Thank you for reaching us.

USER: Most welcome.