You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Dorothy Adams. Can you help in finding  a cheapest  flight from DEN to DTW, for my holidays going to my home town?

ASSISTANT: Sure, can you please provide your dates of travel?

USER: My date of journey is on 01/16 to 01/18.

ASSISTANT: There is a flight 1006 of Frontier airlines which matches with your requirements. The price is 100. Shall I book the ticket?

USER: Ok, proceed for booking.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for contacting us.Have a safe journey.