You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Thomas Adams here. I want to visit Houston Zoo. Can you find the flight for me from DEN to HOU?

ASSISTANT: Sure, can you please tell me your trip dates?

USER: My trip dates are from 07/22 to 07/24.

ASSISTANT: Please give me a moment to check.

USER: Ok.

ASSISTANT: Delta airline is available with 1 connection, shall I proceed to book?

USER: Ok, please go ahead.

ASSISTANT: Your ticket has been booked, have a safe journey.

USER: Thank you for your help.

ASSISTANT: You are most welcome.