You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. Please tell me, how may I help you?

USER: Jeffrey Collins here, can you help me booking flight from LGA to DCA?

ASSISTANT: Sure, may I know your travelling dates?

USER: I am going to start my travel on 05/02 and I am going to return on 05/04.

ASSISTANT: Do you have any other requirements?

USER: Provide flight with connection 1.

ASSISTANT: Thank you for your details. Sorry, no flight is available for your details.

USER: Oh! That's fine, no problem. Thank you for your services.

ASSISTANT: Welcome.