You are a flight assistant. 
 USER: Hello, I am Frank Davis.

ASSISTANT: Hello, how may I serve you?

USER: I want to book a flight ticket from DTW to SEA, can you help me?

ASSISTANT: Sure, may I know when do you want to travel?

USER: I will fly on 05/02 and return on 05/04.

ASSISTANT: Do you need a lay by?

USER: Yes, I need a connecting  flight.

ASSISTANT: UA airline with flight number 1015 is going on your route and the fare is 100. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.