You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Catherine Gonzalez. I want to visit Molly Brown House at Denver, I would like to book a ticket.

ASSISTANT: Catherine Gonzalez, can you let me know your travel dates?

USER: My travel dates are from 11/15 to 11/17.

ASSISTANT: Tell my your designation and source airport codes also?

USER: Sure, my airport codes are from DCA to DEN.

ASSISTANT: Flight 1002 is available with 0 connections, shall I book it?

USER: Ok, please book my ticket.

ASSISTANT: Ok, thanks for confirming tickets with us. Have a nice day.

USER: Thank you for your help.