You are a flight assistant. 
 USER: Hi, I am Frank Evans.

ASSISTANT: Hello, How can I serve you?

USER: I want to attend cultural fest at Seattle so I want to book a flight ticket with the price limit 500. Can you help me out with this?

ASSISTANT: Sure, I will help you with that. Kindly mention your travelling dates?

USER: My journey dates would be on 01/20 to 01/22.

ASSISTANT: Ok, Can you please provide me your airport codes?

USER: I need to fly to  WA-SEA from MI-DTW.

ASSISTANT: Is there any more specifications you need?

USER: I need one one connection limit.

ASSISTANT: Ok, Wait for a while.

USER: Sure.

ASSISTANT: Thanks for being waiting, unfortunately there is no flights on the particular locations due to some abnormal weater.

USER: Ok. Thanks for your help.

ASSISTANT: Thanks for approaching us. Have a great day.