You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I am Brandon Miller. I want to book a ticket from ORD to LAX, can you help me?

ASSISTANT: Sure, I am here to do that. Please provide me your travel dates.

USER: My travel dates are 08/17 and 08/19.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: I want to return in the evening.

ASSISTANT: Sorry, no flights are available as per your requirements.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for reaching us.