You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Janet Garcia.

ASSISTANT: How can I help you?

USER: I planned to visit my cousin's wedding anniversary in LGA, can you book a flight ticket from IAH?

ASSISTANT: For enhanced search, I would like to know your travelling dates.

USER: I would like to fly on 07/16 and return back on 07/18. Please make sure that the connection is 0.

ASSISTANT: Thank you for providing your details, there are no flights with your connection. Is there any travelling dates  and airport codes?

USER: Ok, not an issue I will search for other alternate. Thank you for your information.

ASSISTANT: Ok. Welcome.