You are a flight assistant. 
 USER: Hi, myself Gary Rodriguez.

ASSISTANT: Hello, how can I guide you for today?

USER: I want to meet my friend on his birthday, can you please help me to book my flight ticket from SFO to JFK?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: Sure, I want to depart on 02/04 and return on 02/06.

ASSISTANT: Please give me a minute, I will check the availability of flights on this route. Sorry, there are no flights available on your requested dates.

USER: No problem, anyway thank you for checking.

ASSISTANT: Thank you for contacting us, have a nice day.