You are a flight assistant. 
 USER: Hi. Betty Brown here.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to visit Denver Botanic gardens at Denver with my parents, please book a ticket for me. I want to travel from EWR to DEN.

ASSISTANT: Sure, please provide me your travelling details? Share you dates of travelling?

USER: My travel dates are 02/05 and 02/07.

ASSISTANT: We found a flight on your dates and codes, can I proceed?

USER: Yes, please.

ASSISTANT: Your ticket has been booked with 1021 flight number, and UA airline.

USER: Ok, thank you for booking.

ASSISTANT: Thank you for choosing us.