You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Christine Mitchell.

ASSISTANT: How may I aid you?

USER: I want to travel from LAX to IAD.

ASSISTANT: Ok Christine, can you please share your travelling dates?

USER: My preferable dates are from 03/26 to 03/28.

ASSISTANT: Ok,, please wait for a while.

USER: Please make sure there is at least one connection.

ASSISTANT: Sorry, there are no flights found with 1 connection.

USER: That's ok. Thank you for your time.

ASSISTANT: Thank you for reaching us.