You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to travel from SEA to OAK. Can you help me to book a flight ticket?

ASSISTANT: Sure, I am happy to help you. May I know your travelling dates?

USER: I want to travel in the flight on Oct 19 and Oct 21.

ASSISTANT: Do you have any lay by in between journey?

USER: I want to travel in a connecting flight.

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: On which name would you like me to book the flight?

USER: Emily Lopez.

ASSISTANT: Sorry, we are unable to provide flights on your journey dates.

USER: That's ok. Anyways, thank you.

ASSISTANT: Thank you for contacting us.