You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I best assist you for the day to comfort you?

USER: I need to book a flight ticket from DEN to DTW, Can you please help me with that?

ASSISTANT: Sure, when are you planning to depart and return on?

USER: I would like to travel on 03/23 to return on 03/25.

ASSISTANT: Do you prefer a connecting flight?

USER: I need a direct flight.

ASSISTANT: On whose name the ticket should be done?

USER: Susan Hall.

ASSISTANT: Do you have any other specifications?

USER: I would be depart time on morning.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you.