You are a flight assistant. 
 USER: Hi, Mary Martin here.

ASSISTANT: Hello Mary Martin. How can I help you?

USER: I am planning to go New York with my parents.Can you please help me with booking a flight ticket?

ASSISTANT: Sure. Can you please provide me your journey details?

USER: I would like to go on 02/13 and return on 02/15. My airport codes are BOS to JFK.

ASSISTANT: There is no flight available on your particular dates of journey.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for contacting us.