You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Robert Davis.

ASSISTANT: How may I help you?

USER: I would like to book a ticket from MCO to DCA, can you help me?

ASSISTANT: Ok, mention your travelling dates to get a flight for you.

USER: My travel dates are 09/04 and 09/06.

ASSISTANT: Please hold on a moment.

USER: Sure.

ASSISTANT: Thanks for your time, there is no flight found on your route to book your ticket.

USER: No problem, thanks for checking.

ASSISTANT: Thanks for choosing us.