You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Actually, I was planning to change my trip location. Can you please help me with changing my previous booking?

ASSISTANT: May I know your name please?

USER: Ok, my name is Scott Martinez.

ASSISTANT: I have found your reservation. Can I know your new travelling airport codes?

USER: My journey airport codes are from HOU to DTW.

ASSISTANT: May I know your journey dates?

USER: My trip dates are from Apr 17th to Apr 19th.

ASSISTANT: Do you need any connecting flight for your journey?

USER: I need 1 connection flight.

ASSISTANT: Do you have any other preference?

USER: No, thanks for asking.

ASSISTANT: Here is a connecting flight with fare 200 and 1018 as flight number. Shall I proceed with booking?

USER: Please proceed with booking my ticket.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.

USER: Welcome.