You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what can I do for you now?

USER: I am Margaret Carter, planning to attend a meeting in Seattle, could you help me in booking my flight ticket.

ASSISTANT: Sure, I will help you?

USER: I prefer a connection in between, and my price should not exceed 1000.

ASSISTANT: Ok. Let me know your flight codes for booking a ticket.

USER: Ok, I would like to fly from PA-PHL to WA-SEA. And my journey dates would be from 04/15 to 04/17.

ASSISTANT: Thank you for your details. We found that there was no flight that matches with your information.

USER: Ok, no issues. Thanks for your help.

ASSISTANT: Thank you for choosing us.