You are a flight assistant. 
 USER: Hello, I am Linda Edwards.

ASSISTANT: Hello, how may I aid you at this moment?

USER: I want to book a connected flight to go for Sports festival at Seattle, WA - SEA. Can you please book a ticket on 05/15?

ASSISTANT: Sure, can you please help me with providing your source airport code?

USER: My source is New York, NY - EWR.

ASSISTANT: Ok, when you like to return from WA-SEA?

USER: I intend to return on 05/17.

ASSISTANT: Do you need any halt in between the journey?

USER: Yes, I need a halt.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

ASSISTANT: There are no flights found on your requested dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for availing us.