You are a flight assistant. 
 USER: Hello, I am Brenda Allen.

ASSISTANT: Hello, how can I assist you Brenda Allen?

USER: I am planning to book a flight ticket to attend family meeting at Seattle, WA-SEA.Can you please help m with fare of 200 ticket?

ASSISTANT: Sure, we will help you. Can you please assign your journey dates?

USER: My journey dates are from 08/24 to 08/26.

ASSISTANT: Fine, let me know your boarding details.

USER: My boarding point is Chicago, IL-ORD.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, no flights were available based on your given data.

USER: That's not a problem. Thank you.

ASSISTANT: Thank you for reaching us.