You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: My name is Samuel Brown. I am planning to travel from DCA to LAS.

ASSISTANT: OK, may I know your travelling dates?

USER: It is from 10/07 to 10/09.

ASSISTANT: OK, there is a flight available for your request of Jet Blue airlines with number 1002. The price is 100 with 2 connection. Shall I book this flight ticket for you?

USER: But I need a flight with 1 connection.

ASSISTANT: Sorry for the inconvenience, there is no flight available.

USER: That's fine.

ASSISTANT: Thank you for reaching us.