You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Rebecca Edwards here. I want to travel from BOS to SEA. Can you please help me with the reservation?

ASSISTANT: Sure, can you share me your trip dates?

USER: Sure, I want to fly on Mar 14 and intend to return on Mar 16.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a break in between journey.

ASSISTANT: Sorry to say this, no flights are available on your desired route.

USER: Ok, not an issue. Thank you for checking.

ASSISTANT: Thank you for opting us.