You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Edward Parker.

ASSISTANT: How can I help you today?

USER: I am looking for a flight from SEA to DEN, can you help me out?

ASSISTANT: Sure, can I know your preferable dates?

USER: My trip dates are from 07/31 till 08/02.

ASSISTANT: Just give a moment.

USER: Sure.

ASSISTANT: Sorry, no flights are available on your desired route.

USER: That's ok, no problem. Thank you for your help.

ASSISTANT: Thank you for reaching us.