You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I help you?

USER: I want to attend a Grand Canyon Adventure at Boston, so can you please avail me a flight ticket?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are 01/09 and 01/11.

ASSISTANT:  Help me with your travel points?

USER: My source is Philadelphia, PHL and destination is Boston, BOS.

ASSISTANT: Do you have any preference?

USER: I need a stopover in between my journey.

ASSISTANT: Sorry, no flights are available on your travel dates.

USER: No problem, thank you.

ASSISTANT: May I know your name?

USER: My name is Edward Jones.

ASSISTANT: Thank you for availing us.