You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello,.

USER: This is Katherine Adams.

ASSISTANT: How can I render you today?

USER: Please reserve me a ticket to reach Las Vegas, with a connecting flight?

ASSISTANT: Sure, we are mirthful to aid you. Where are you heading from?

USER: I am heading from Seattle, WA - SEA.

ASSISTANT: Let me know your starting date to Las Vegas.

USER: As I want to visit Circus Adventure dome Theme Park on 03/05, So I want to start on 03/04.

ASSISTANT: To proceed with further booking I need your destination airport code.

USER:  Destination is Las Vegas, NV - LAS.

ASSISTANT: When you will catch the return flight?

USER: I will catch return flight on 03/06.

ASSISTANT: Thanks for sharing your details. There is no flight running your destination on your specified dates.

USER: That's ok, thanks for such a great effort.

ASSISTANT: Thank you for availing us.