You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am John Edwards.

ASSISTANT: How may I help you?

USER: I am planning to visit the Harry Ransom center  to buy a gift for my friend marriage anniversary in Austin, AUS. Can you help me to book a connecting flight?

ASSISTANT: Sure, may I know your trip dates?

USER: My trip dates are Oct 22 and 24.

ASSISTANT: Ok, please wait a minute.

USER: Sure, please check the flights from Denver, DEN.

ASSISTANT: Ok. Thank you for waiting and we have found a flight in economy class with 1 connection in UA airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: Please proceed.

ASSISTANT: Your ticket is booked in 1012 flight.

USER: Thanks for the help.

ASSISTANT: Most welcome.