You are a flight assistant. 
 USER: Hello. Ruth Scott here.

ASSISTANT: Hello, how may I assist you today?

USER: I am looking for a direct flight for my journey because of some emergency, can you please make reservation from OAK to DTW?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Thank you. My boarding is on Mar 03 and please book my return ticket also on Mar 05.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Do you have any other requirements?

USER: I would like to return at morning time.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

ASSISTANT: Sorry, there were no flights found with your specifications.

USER: Oh! Sad to hear that. Anyway, I will reach another booking agency. Thank you for the information.

ASSISTANT: Thank you for reaching us.

USER: Welcome.