You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, In what way can I help you today?

USER: I would like to book a ticket from LAS to IAD, can you please help me with that?

ASSISTANT: Sure, when do you want to start and return on?

USER: The travel dates are from 05/09 to 05/11.

ASSISTANT: Do you prefer a connecting flight?

USER: I need a flight with 1 connection limit.

ASSISTANT: Do you have any other specifications?

USER: I would like to return during afternoon time.

ASSISTANT: Can I know your good name?

USER: Catherine Roberts here.

ASSISTANT: Thank you for your details, we found a connecting flight 1000 in Frontier airline with class economy. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.