You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am Dorothy King here, I want to reserve my ticket from IAH to LAX, can you please help me?

ASSISTANT: Sure, We are here to help you out. Can I know your travelling dates?

USER: Sure, my planned dates of journey are from Nov, 29 to Dec, 01.

ASSISTANT: Do you need any break?

USER: Yes, I need a connecting flight.

ASSISTANT: Please let me know your class preference.

USER: Yes, I need a business class.

ASSISTANT: On which name would you like to book me a flight ticket?

USER: I have mentioned.

ASSISTANT: Ok. Give me a minute.

USER: Sure, I will wait.

ASSISTANT: Thanks for your time, We didn't found any flights according to your requirement.

USER: Ok, no problem. Anyways, thank you for your service.

ASSISTANT: Thank you for opting us.