You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: Myself Jason Gonzalez from Seattle. I want to go to Detroit for my new project meeting. Can you help me in finding the flight?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: My planned travel dates are from 04/15 to 04/17.

ASSISTANT: Could you please share your airport codes to proceed further?

USER: Sure, Seattle airport code is SEA and Detroit airport code is DTW.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: It's ok, thank you.

ASSISTANT: Thank you for reaching us.