You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to go innovation festivals at Seattle. Can you do the reservation?

ASSISTANT: Sure, can you help me with your name please?

USER: Ruth Green here.

ASSISTANT: Ok, when are you planning to travel?

USER: My travel planning dates are 02/26 and 02/28.

ASSISTANT: Please help me with your airport codes?

USER: My airport codes are DFW-SEA.

ASSISTANT: Ok, any other requirements?

USER: I need a connecting flight. Price should not cross 500.

ASSISTANT: Ok, please wait I will get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, no flights found with your requested details.

USER: No issue, Thanks for the information.

ASSISTANT: Thanks for approaching us.