You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you?

USER: Please help me to book a flight ticket with the name Mark King from Atlanta, GA-ATL to take a part in trekking at Evens mountain in Phoenix, AZ-PHX.

ASSISTANT: Sure, may I know if you need a connection within your journey?

USER: I prefer a connecting flight.

ASSISTANT: Can you please share your scheduled dates of travel?

USER: My plan to start on 10/15 and I intend to return on 10/17.

ASSISTANT: Ok, please wait a while.

USER: Ok.

ASSISTANT: We found a Delta airline with flight number 1011 and price of 100 matching your preferences.

USER: That's good, you can proceed with the booking.

ASSISTANT: Your booking has been made.

USER: Thanks for your help in booking.

ASSISTANT: Thank you for reaching us.