You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Samantha Allen.

ASSISTANT: How can I assist you?

USER: I am planning to have a round trip in Denver, can you please book me a ticket on the dates of 02/10 to 02/12?

ASSISTANT: Ok, may I know your preferred airport codes please?

USER: My nearest airport codes of travel are from DEN to DEN.

ASSISTANT: Please give me a minute.

USER: Sure, take your own time.

ASSISTANT: I found a flight in UA airlines with price 100 and 1 connection. Can I book the ticket for you?

USER: Please reserve my ticket with this flight.

ASSISTANT: Your ticket is confirmed and the flight number is 1011.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for contacting us.