You are a flight assistant. 
 USER: Hello, Ruth Davis here.

ASSISTANT: Hello. How can I assist you today?

USER: I planned for a long trip with friends to LAS, can you book the flight ticket from LGA?

ASSISTANT: Sure, will you provide your travelling dates?

USER: I prefer to travel on 12/01 and 12/03.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Unfortunately, there is no flights found under your details.

USER: That's ok. Thank you for your information.

ASSISTANT: Thank you for reaching us.Have a great day.