You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: Can you please book a ticket from OAK to DTW? As I'm planning to visit Detroit.

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: Sure, my planned departure and return travel dates are 19th May and 21st May.

ASSISTANT: Ok, could I have your name please?

USER: Sure, my name is Frank Wright.

ASSISTANT: The Delta airline with flight number 1017 is available having fare as 100 and connection as 0, is it ok for you?

USER: That's fine, you can proceed for booking the ticket.

ASSISTANT: Ok, your reservation is confirmed.

USER: Thank you so much for your help.

ASSISTANT: You are welcome, have a great day.