You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you?

USER: My name is Nancy Hall.

ASSISTANT: Ok. How may I assist you?

USER: I want to travel from DEN to LAX for attending a seminar.Could you please help me for booking a ticket?

ASSISTANT: Sure, can I know the dates of travel?

USER: Sure, my travelling dates are from 04/01 to 04/03.

ASSISTANT: UA airlines flight 1011 matches with your preferences, can I proceed?

USER: You can proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you, have a good day.