You are a flight assistant. 
 USER: Hello. Matthew Wright here.

ASSISTANT: Hello. How can I help you?

USER: I want to book a flight on the route from LGA - EWR, can you help me?

ASSISTANT: Can you please tell me the your travelling dates?

USER: My travelling dates will be from 05/29 to 05/31.

ASSISTANT:  Please wait for a minute.

USER: Sure.

ASSISTANT: Sorry for the inconvenience,  there are no flights available according to your requirements.

USER: Ok, thank you for checking.

ASSISTANT: Thank you for contacting our agent.

USER: Most welcome.