You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I support you?

USER: Ryan Evans here, I would like to travel from NV - LAS to MA - BOS>. Can you please help me to book a ticket with single connection?

ASSISTANT: Sure, Please help me with your travel dates.

USER: My travelling dates will be on 06/14 to 06/16.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Sorry, No flights found with your chosen dates. Thank you for reaching us.

USER: Not an issue, thank you for your information.