You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Will you please be my helping hand in booking a flight ticket from ORD to IAH to meet my childhood friend?

ASSISTANT: Sure, can you please share your travelling dates?

USER: I would like to depart on Sept 24 and return on Sept 26.

ASSISTANT: Do you have any limits on number of connections?

USER: Yes, I would prefer a flight having single connection.

ASSISTANT: Is there any specifications?

USER: No.

ASSISTANT: Can I have your name?

USER: My name is Nicole Nelson.

ASSISTANT: We found an American airlines with single connection and flight number is 1021. Shall I proceed for booking?

USER: Please, confirm my ticket with this flight.

ASSISTANT: Your ticket has been confirmed with economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.