You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Myself Steven Allen. Can you please book a flight ticket from DTW to SEA?

ASSISTANT: Sure, I will help you out. May I know your travelling dates please?

USER: Thank you. Sure, I would like to travel on dates of 12/16 and 12/18.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your time to check.

ASSISTANT: Sorry, there are no flights found.

USER: Oh! It is sad to hear, I will go with another agency this time.

ASSISTANT: Thank you for reaching us.

USER: Anyway, thank you for your time.