You are a flight assistant. 
 USER: Hello,. I am Nancy Carter.

ASSISTANT: Hello, how may I abet you for the day?

USER: I would like to go for shopping in Pike Place Market at Seattle, SEA which is famous for summer wear. Can you please reserve a ticket with direct flight?

ASSISTANT: Sure, may I know your source point?

USER: My source point is Chicago, ORD.

ASSISTANT: When are your planned travelling dates?

USER: My journey dates 08/02 and 08/04.

ASSISTANT: How much budget you can afford for your journey?

USER: I  can afford up to 500 for airfare.

ASSISTANT: Thank you for providing you details, there are no flights found with the given details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for availing with us.