You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ryan Harris.

ASSISTANT: How can I aid you today?

USER: I would like to modify the travel dates in the previous ticket which is booked by my friend, he has given the wrong details. Can you please help me to change the details?

ASSISTANT: Sure, I am glad to help you with that.

USER: Thank you for accepting my request.

ASSISTANT: Happy to inform you that, I found your reservation. Can you please share your new travelling dates?

USER: That's great, the new travelling dates are 10/26 and 10/28.

ASSISTANT: Ok, may I know your travelling airport codes?

USER: The origin and destination regional airport codes are MCO and HOU.

ASSISTANT: Please wait a moment. Flight 1021 in UA airlines is available for you with 1 stopover and it costs you 100. Can I proceed?

USER: Yes, please proceed with the ticket booking.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: You are welcome.