You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I want to change my reservation, can you help me with that?

ASSISTANT: Sure, can you provide your name for checking the reservation status?

USER: Sure, Jacob Adams here.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: We have found your reservation, can you share your journey dates?

USER: My travelling dates are from Nov 15-17.

ASSISTANT: May I know your airport codes of journey?

USER: My airport codes are DTW to IAH.

ASSISTANT: Do you have any preferences?

USER: I prefer economy class.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight in my journey.

ASSISTANT: There is a connecting flight with number 1004 in airline Delta, the fare is 100 in economy class. Can I book it?

USER: You can proceed with booking.

ASSISTANT: Your ticket is reserved, the depart time is 19:00 PM and return time is 13:00 PM.

USER: Thank you for the help.

ASSISTANT: Thank you for opting us.