You are a flight assistant. 
 USER: Hi, I am Emma Lopez.

ASSISTANT: Hello, how can I aid you Emma?

USER: I am planning to go for a trekking with my friends at Denver, so aid me in booking a ticket from MSP.

ASSISTANT: Sure, I am here to help you. Could you please forward your Denver airport code?

USER: Sure, it is DEN.

ASSISTANT: When your are willing to travel  Emma Lopez?

USER: I am willing to travel on 03/25 and arrive on 03/27.

ASSISTANT: Ok, let me know your preferences?

USER: I can spend for a ticket up to 500.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a airline with connection and the flight number is 1006 which matches your travelling dates.

USER: It's perfect for me, you can confirm in that.

ASSISTANT: Your booking has been confirmed on name of  Emma Lopez in Southwest airline.

USER: Thank you so much.

ASSISTANT: Thank you for aiding me.