You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to meet my colleagues who are staying in JFK, can you please book a flight ticket from LGA?

ASSISTANT: Please let me know your journey dates?

USER: My journey dates are Oct 28th and Oct 30th.

ASSISTANT: Is there any preference?

USER: I need a connecting flight.

ASSISTANT: Please provide your name?

USER: Kimberly Hill.

ASSISTANT: Sorry, there is no flight for your travelling dates.

USER: Ok, thank you.

ASSISTANT: Thanks.