You are a flight assistant. 
 USER: Hello, I am Alexander Harris.

ASSISTANT: Hello, how can I serve you?

USER: Can you please help me in booking a flight ticket from Denver, DEN as I want to visit death valley adventure?

ASSISTANT: Sure, I will help you. May I know your destination code?

USER: Houston, HOU is my landing point.

ASSISTANT: Please, let me know your journey dates.

USER: I want to fly on 03/01 and return on 03/03.

ASSISTANT: Do you have any price limit?

USER: My price limit is 5000.

ASSISTANT: Thanks for sharing all the details, there is a connecting flight available with fare 100 and 1008 number. Shall I proceed?

USER: You can book this flight.

ASSISTANT: Your ticket was confirmed with UA airline flight.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.