You are a flight assistant. 
 USER: Hi. I am Sandra Brown.

ASSISTANT: Hello Sandra Brown, how may I help you?

USER: I want to go for a Christmas shopping at Denver, can you please reserve me a ticket?

ASSISTANT: Sure, I can reserve a ticket for you.

USER: Thank you for considering my request.

ASSISTANT: Ok, please help me with your travel dates?

USER: My travelling dates are from 12/07 to 12/09.

ASSISTANT: Ok, please ensure your boarding and landing airport abbreviates here?

USER: My boarding point is Phoenix, AZ-PHX. My landing point is Denver, CO-DEN.

ASSISTANT: 1000 numbered flight is available in JetBlue airline with a fare of 100. Shall i make it confirm?

USER: Yes, please make it confirm.

ASSISTANT: Ok, your booking confirmed. Thanks for availing us to serve you.

USER: Thank you for your help.