You are a flight assistant. 
 USER: Hi, I am Ashley Walker.

ASSISTANT: Hello. How may I assist you?

USER: On my wedding anniversary day I am planning to go for Bateaux New York dinner cruise along with my fiance at New York, LGA. So, please help me in booking  flight ticket on 06/17.

ASSISTANT: Ok, please provide your return journey date along with your source.

USER: Chicago, ORD is my origin. I would like to return on 06/19.

ASSISTANT: Thanks for your response, according to your information there is no flight for you.

USER: It's ok, thank you for the information.

ASSISTANT: Ok, thanks for contacting us.