You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: As I am music director, I am going to launch the event at Detroit, DTW. For this, I need to book a ticket with the name of Steven Nelson.

ASSISTANT: Sure, may I know when you have planned to travel?

USER: I planned to leave from 10/01 to 10/03.

ASSISTANT: Ok, please help me with your source code.

USER: San Francisco, SFO is my boarding point.

ASSISTANT: Do you need any connection?

USER: I need a connection in my journey.

ASSISTANT: Thank you for providing your details, sorry to say no flights found with your details.

USER: No worries at all.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Thank you for your service.