You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you at this moment?

USER: Can you please check out is there any flight available between IAH and ATL?

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

USER: Thank you, my departure is on July 11 and please book my return ticket on July 13.

ASSISTANT: Ok. Help me with your class preference?

USER: I don't have any class preference.

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

USER: Yes, I need single connection.

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

USER: Sure, my name is Dennis Carter.

ASSISTANT: We found a Spirit airlines with fare of 100 and a lay by in between the journey.

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Your ticket has been confirmed with flight number 1023.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.

USER: Welcome.