You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Amy Johnson here. Can you please help me in booking the ticket from BOS to SEA? As I'm planning to go for seafood festival.

ASSISTANT: Ok, I will help you with that. May I know the travel dates too.

USER: Sure, my travel dates are 07/21 and 07/23.

ASSISTANT: Sorry, there are no flights available.

USER: Oh! That's ok, thank you for giving the information.

ASSISTANT: Thank you for connecting with our agency.