You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Ruth Harris here.

ASSISTANT: How may I help you?

USER: As I am a doctor, I need to attend an emergency case in Denver, CO - DEN. Can you please aid me for booking with a connected flight?

ASSISTANT: Let me know your travelling dates?

USER: Sure, my preferred journey dates are on 02/22 to 02/24.

ASSISTANT: Can I know your boarding airport code?

USER: Sure, it is TX - AUS.

ASSISTANT: Ticket is found with airline Delta having price 100 having flight number 1025.

USER: Ok, please proceed for booking.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.