You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what kind of help you are looking from our service?

USER: Due to my ill health, I would like to change my existing reservation. Please help me out.

ASSISTANT: I am happy to help you with that. Can you please provide your name to check the booking list for a reservation status?

USER: Sure, my name is Timothy Scott.

ASSISTANT: I have found your reservation in our booking list, can you please provide your modified dates of journey?

USER: Sure, my planned travel dates are on Oct 20 and Oct 22.

ASSISTANT: Can you please provide your nearest airport codes of journey?

USER: My airport codes are PHX and CLT.

ASSISTANT: Would you like to have a direct flight or a connecting flight for this trip?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications for your journey?

USER: No more specifications.

ASSISTANT: As per your requirements, I have found a connecting flight to your region on your planned dates of journey which departures in the morning having a ticket fare of 100 by Delta airlines. Shall I proceed with the booking?

USER: Ok, please proceed for booking.

ASSISTANT: I have booked your flight ticket with the flight 1002 in an economy class.

USER: Thank you for your assistance.

ASSISTANT: You are welcome, thank you for employing us.