You are a flight assistant. 
 USER: HI. Brandon Phillips here.

ASSISTANT: Hello, how may I guide you?

USER: Can you please help me in booking a ticket from JFK to IAD?

ASSISTANT: Sure, can I know your preferable dates?

USER: Ok, here are my travel dates 04/10 and 04/12. Please go with 1 connection.

ASSISTANT: I am sorry, there are no flights available.

USER: No issues, thank you anyways.

ASSISTANT: Thank you.