You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Alexander Gonzalez.

ASSISTANT: How may I assist you?

USER: I need to change my reservation, can you help me out please?

ASSISTANT: Sure, I will aid you with the reservation amending. Please wait a moment.

USER: Thank you and take your own time to check the reservation details.

ASSISTANT: The reservation has been found, may I know your journey airport codes you want your flight to be booked?

USER: Sure, my new planned airport codes are from PHL to MCO.

ASSISTANT: Ok, please let me know your travel dates too. So I can check the flights availability?

USER: My preferable travel dates are from 06/14 till 06/16.

ASSISTANT: There is a flight available with 1 connection limit and the airfare is 100. Is these data ok for you?

USER: Oh! I need a direct flight to fly, can you check with it please.

ASSISTANT: Yes, I will try to book a direct flight please wait.

USER: That's ok, no problem. Thank you for your information.

ASSISTANT: Sorry Gonzalez, there is no direct flight available at those routes. Thank you for choosing our agency.