You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Samuel Hall.

ASSISTANT: How can I serve you?

USER: I would like to book a ticket from AUS to ORD, can you please help me out?

ASSISTANT: Sure, I can help you. Can I know your travelling dates?

USER: I am travelling on these dates June 24th and 26th.

ASSISTANT: Do you need any break?

USER: I need a single connection.

ASSISTANT:   May I know if you prefer to have any other comforts in your journey?

USER: I don't have any other preferences.

ASSISTANT: We found a United airline, flight number:1022 and the price is 100.

USER: Ok, you can proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your services.

ASSISTANT: Thank you for reaching us.