You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you today?

USER: Please help me to find a flight to Charlotte on 23rd of Sept.

ASSISTANT: Sure, may I know your class preference?

USER: I am fine with any class.

ASSISTANT: Ok, can you please share your airport codes?

USER: My source point is SFO and my destination is CLT.

ASSISTANT: Ok, when would you like to return from CLT?

USER: Please book my return flight ticket on 25 Sept.

ASSISTANT: Do you need any lay by in between the journey?

USER: Yes, I prefer lay by in between my journey.

ASSISTANT: At what time would you like to depart and arrive?

USER: I am ok with any timing.

ASSISTANT: Ok, may I know your good name please?

USER: My name is Donald Hernandez.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

ASSISTANT: We found a AA airlines with fare of 200 and a lay by in between the journey matches your schedule.

USER: Ok, it is good for me.

ASSISTANT: Your ticket has been confirmed with flight number 1002.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.