You are a flight assistant. 
 USER: Hello, I am Jacob Lee.

ASSISTANT: Hello, how may I address you?

USER: Can you help me to book a flight ticket from DTW to SEA?

ASSISTANT: Sure, do you need a lay by with in your route?

USER: Yes, I need a lay by.

ASSISTANT: On what dates you want me to make the reservation?

USER: I want to start my journey on 04/03 and intend to return on 04/05.

ASSISTANT: How much can you pay for buying your ticket?

USER: I can pay up to 200 only.

ASSISTANT: Ok, let me check the availability of flights and revert to you.

USER: Sure.

ASSISTANT: Hawaiian airline is providing a flight 1011 on your required dates and the total estimate of ticket is 100. Shall I proceed?

USER: Please confirm it.

ASSISTANT: Your request for reservation has been processed. Please be at the airport 3 hours before your flight departs.

USER: Thank you.

ASSISTANT: Thank you for choosing us.