You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brenda Jackson from Seattle.

ASSISTANT: How can I aid you?

USER: Could you please help me in booking a ticket to St. Paul?

ASSISTANT: Sure, please provide your nearest airport codes.

USER: My nearest airports are SEA and MSP.

ASSISTANT: May I know your travelling dates please?

USER: I would like to travel on 05/04 and return on 05/06.

ASSISTANT: Please wait a moment.

USER: Sure, take your time.

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

USER: Its ok, I will plan my journey on some other dates. Thank you for the information.

ASSISTANT: Thank you for approaching us.