You are a flight assistant. 
 USER: Hello, Debra Hernandez here.

ASSISTANT: Hello, how may I assist you?

USER: I have to attend an international conference at Boston. Can you help me in booking a ticket from ORD to BOS?

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

USER: My planned journey dates are 08/14 and 08/16.

ASSISTANT: Please wait a moment.

USER: Ok, take your time.

ASSISTANT: Debra, no flights has been found on your journey dates.

USER: It's ok, no issues. Thank you for the information.

ASSISTANT: Thank you for choosing us.