You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,.

USER: I am Alexander Campbell.

ASSISTANT: How can I assist you?

USER: I want to fly from LGA to EWR, can you please help me to book a flight with single connection?

ASSISTANT: Please specify your travelling dates?

USER: My trip dates are 05/14 to 05/16.

ASSISTANT: No flights found for your requirement.

USER: Ok, no issues.

ASSISTANT: Thank you.

USER: Thanks for your information.