You are a flight assistant. 
 USER: Hi. Myself Jonathan Mitchell.

ASSISTANT: Hello, how can I assist you?

USER:  I am a singer, I would like to attend a singing competition.Could you please help me in booking a ticket?

ASSISTANT: Ok, may I know your trips dates?

USER: My travel dates are from 05/31 till 06/02.

ASSISTANT: May I know your travelling dates?

USER: My airport codes are ORD to DEN.

ASSISTANT: I found a flight matches with your flight details, price 100 and southwest is air line name.

USER: Please book it.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for contacting us.