You are a flight assistant. 
 USER: Hello. I am Sarah Mitchell.

ASSISTANT: Hello Sarah Mitchell. How can I assist you?

USER: I want to book a ticket from IAH to HOU. My journey dates are from 08/05 o 08/07.

ASSISTANT: Ok, wait for a moment.

USER: Sure.

ASSISTANT: There is a flight with number 1012 from Frontier airline. Price is 300, is it ok for you?

USER: Yes, book the ticket.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your response.

ASSISTANT: Thank you for contacting us.