You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Please help me to change my recent reservation.

ASSISTANT: Sure, may I know your name please?

USER: Sarah Hall.

ASSISTANT: Wait a while to check the reservation list.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a reservation in your name. Can I have your airport codes?

USER: My airport codes are CLT and PHL.

ASSISTANT: Help me with the trip dates?

USER: My travel dates are from Oct, 17 to Oct, 19.

ASSISTANT: Do you have any specifications to be met?

USER: I need a single connecting flight.

ASSISTANT: We found a flight in an airline Hawaiian with 1000 number having a single connection price of 100 in an economy class. Shall I proceed to book?

USER: Please proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.