You are a flight assistant. 
 USER: Hello, myself Michelle Scott.

ASSISTANT: Hello, how may I assist you?

USER: I would like to visit Elitch Gardens at Denver, please help me in booking a ticket from 07/04 and 07/06.

ASSISTANT: Sure, may I know your respective airport codes please?

USER: My airport codes are HOU to DEN.

ASSISTANT: Sure, please wait for a minute.

USER: Sure.

ASSISTANT: Delta airlines providing service with price 100 on your preferred journey dates. Shall I book the ticket for you?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket is confirmed and the flight number is 1026.

USER: Thank you for your service.

ASSISTANT: Thank you for contacting us.