You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what service you are looking for?

USER: I am planning to  visit a Pike Place Market in SEA from DFW. Can you find a ticket for me?

ASSISTANT: Sure, I am happy to help you. Please let me know your travel dates?

USER: Sure, I am planning to travel for two days that is 04/28 to 04/30.

ASSISTANT: Can I have your name for further process?

USER: Yes, I am Jeffrey Johnson. Make sure that the connection limit is 1.

ASSISTANT: Sorry Johnson, there are no flights found in the route you planned to travel.

USER: Thank you for your information.

ASSISTANT: Thank you for your positive response. Have a nice day.