You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Melissa Brown here.

ASSISTANT: How may I hand help you?

USER: I want to travel from DEN to IAH for a business trip, can you please reserve a flight ticket on those locations?

ASSISTANT: Sure, I am here to help you in booking process.

USER: Thank you.

ASSISTANT: Can you please provide on what dates that you are willing to book the ticket?

USER: My departure is on Sept 25 and please book my return ticket also on Sept 27.

ASSISTANT: Ok, please give me a moment.

USER: Sure, take your time.

ASSISTANT: Thanks for your information, based on your request there is a flight with airline JetBlue and fare of the flight is 100 with a 1 halt, shall I proceed with this flight?

USER: I am ok with this, you can proceed with booking.

ASSISTANT: Ok, as per your request the flight ticket booking is confirmed.

USER: Thank you for your great assistance.

ASSISTANT: You are most welcome and have a safe journey.