You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jennifer Lopez here.

ASSISTANT: Do you need any assistance from us?

USER: I want to book a flight ticket from LGA to SEA, can you please help me?

ASSISTANT: Sure, can you please share your trip dates?

USER: My travelling dates will be from 08/20 to 08/22.

ASSISTANT: Sorry, no flights found on your travelling dates.

USER: Ok, no issues with it, thank you for checking.

ASSISTANT: Thank you for opting us, have a great day.

USER: Most welcome.