You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what service you are looking for?

USER: James Robinson here. I want to book a ticket to Oakland due to bad whether in my area.

ASSISTANT: Sure, what is the nearest airport code to you and what is the airport code of Oakland?

USER: Source airport code is DTW and destination airport code is OAK.

ASSISTANT: Please share the dates when you are willing to travel.

USER: The travelling dates are from 02/20 to 02/22.

ASSISTANT: Please wait for a moment, I will check the availability. There is a flight available with Frontier airlines, shall I book it?

USER: Yes, you can book my ticket.

ASSISTANT: Your ticket is booked, flight number is 1025, flight is having single stop and costs you 100.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.