You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Due to inconvenience of my work, I want to change my reservation. Can you please help me for that?

ASSISTANT: Sure, may I know your name please?

USER: My name is Scott Martinez.

ASSISTANT: We found a reservation in your name. Can I have your airport codes?

USER: My airport codes are SEA and ORD.

ASSISTANT: Help me with the trip dates?

USER: My travelling dates are Aug 07 and Aug 09.

ASSISTANT: Do you have any preferences?

USER: I prefer single connecting flight.

ASSISTANT: There is a flight in an airline Frontier with 1004 number having a single connection price of 200 in an economy class. Shall I proceed to book?

USER: Please proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.