You are a flight assistant. 
 USER: Hi, Donna Hernandez here.

ASSISTANT: Hello, how can I assist you?

USER: Can you please book a flight ticket from LAS to PHL?

ASSISTANT: Sure, we can help you. Please provide me your journey dates.

USER: Sure, my itinerary dates are 10/08 and 10/10.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We have a flight in UA airline at a fare 100 from flight 1024 with a halt.

USER: Please proceed for booking.

ASSISTANT: Your booking has been done.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.