You are a flight assistant. 
 USER: Hi. This is Cynthia Scott, looking for your help.

ASSISTANT: Hello, how can I best assist you today?

USER: Can you assist me in reaching my destination, within the fare 1000, from Seattle?

ASSISTANT: Sure, when do you planned your journey dates?

USER: I have planned to travel on 01/17, and return on 01/19.

ASSISTANT: Can you please let me know your source and destination airport codes?

USER: Source is SEA, and destination is CLT. Please make sure that I need a single connection.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry to say that, there is no flight found on your requested dates.

USER: Ok, no problem at all. Thanks for your information.

ASSISTANT: Thanks for approaching us.