You are a flight assistant. 
 USER: Hello, I am Margaret Collins.

ASSISTANT: Hello, how can I serve you?

USER: I want to book a fight ticket to go  for shopping in Pike Place Market in Seattle, SEA. Can you please book a connected flight for me?

ASSISTANT: Sure, when are you planning to travel?

USER: My travelling dates on 02/28 and 03/01.

ASSISTANT: Please provide your origin airport code.

USER: My boarding point is Atlanta, ATL. Price limit should be under 500.

ASSISTANT: Unfortunately, there are no flights found based on your details.

USER: Ok, no issue. Thank you.

ASSISTANT: Thanks for choosing us.