You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am David Collins, I want to meet my old friends at Detroit, MI - DTW. Will you help me in booking a flight ticket on 12/16?

ASSISTANT: Sure, I am blissful to help you?

USER: Thank you.

ASSISTANT: Can you help me with your return date?

USER: 12/18 is my return date.

ASSISTANT: Help me with your source code?

USER: My source point is Oakland, CA - OAK.

ASSISTANT: Do you prefer any way station in between your journey?

USER: Yes, I need a halt in between the journey.

ASSISTANT: Thanks for sharing your details, we found UA airline fare 100 having a connection. Shall I reserve it?

USER: OK, you can reserve my seat.

ASSISTANT: Your ticket has been done with flight 1002.

USER: Thank you.

ASSISTANT: Thank you for approaching us.