You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Nicholas Martin, I want to book flight from BOS to LGA to meet my friend.

ASSISTANT: Sure, can you please provide your journey dates?

USER: I will fly on 10/12 and return on 10/14.

ASSISTANT: Ok, please hold a moment.

USER: Sure.

ASSISTANT: Thanks for your time, sorry, no flights found on that day.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for approaching us.