You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Frank Baker, can you help me to book flight from EWR to MSP?

ASSISTANT: Can you please tell your travelling dates?

USER: Ok, my travel dates are 01/08 and 01/10.

ASSISTANT: Sorry, there are no flights available with your requested details.

USER: Ok, not a issue. Thank you for your servce.

ASSISTANT: Thank you and have a nice day.