You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Emma Robinson. I am planning to travel from LGA to DCA, can you help in booking?

ASSISTANT: May I know your desired travel dates please?

USER: My date of travelling is on 01/22 to 01/24.

ASSISTANT: There is a no flight available on your route.

USER: That's ok. Not an issue, anyway thank you for the information.

ASSISTANT: Thank you for opting us.