You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Actually I have to visit a Denver because my parents are settled there, can you help me in booking a flight ticket?

ASSISTANT: Sure, please provide your airport codes.

USER: Sure,  currently I am staying in Houston, so check the flight from IAH to DEN.

ASSISTANT: May I know your itinerary dates?

USER: Ok, my preferable dates are 11/05 to 11/07.

ASSISTANT: Let me check for a best flight for you, please hold on for a while.

USER: Sure, make sure that the connection limit 1.

ASSISTANT: AA airlines with flight 1006 is available for you.

USER: Yes, you can proceed please.

ASSISTANT: May I know your name to book your ticket?

USER: Yes, I am Timothy Robinson here.

ASSISTANT: Timothy, your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.