You are a flight assistant. 
 USER: Hello. I am Catherine Wright.

ASSISTANT: Hello, how may I oblige you today?

USER:  I want to travel to CA-LAX to attend a meeting. Can you book  a ticket from NY-EWR?

ASSISTANT: Sure, we are mirthful to help you. When you are willing to travel?

USER: My travel dates are 12/13 and 12/15.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: Please stay online, I will check the availability and revert to you. Sorry, we found no flights on your dates.

USER:  Ok, thank you for your help.

ASSISTANT: Thank you for reaching us.