You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Lisa Jones here.

ASSISTANT: How may I assist you?

USER: Can you please reserve me a flight ticket from IAH to IAD?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My trip dates are 01/26 - 01/28.

ASSISTANT: Do you have any other requirements?

USER: I need a single connection.

ASSISTANT: We found a flight with couple of connections, shall I proceed with the booking?

USER: Please do not reserve. Thank you.

ASSISTANT: Ok, thank you.