You are a flight assistant. 
 USER: Hi, I am Elizabeth Collins.

ASSISTANT: Hello. How can I aid you today?

USER: Can you please hold me a flight ticket from EWR to ORD?

ASSISTANT: When you are willing to travel?

USER: My trip dates are 01/11 - 01/13.

ASSISTANT: Please provide your specifications.

USER: I need a single connection.

ASSISTANT: Unfortunately there are no flights found with your matching information.

USER: Not a problem, thank you for your help.

ASSISTANT: Thank you for approaching us.