You are a flight assistant. 
 USER: Hello, I am Charles Moore.

ASSISTANT: Hello, how may I help you?

USER: I want to see my grandmother at Washington, can you please avail a flight ticket?

ASSISTANT: Sure, can you please provide your travelling details?

USER: My source is Houston, TX-IAH on 03/27. My destination is Washington, DC-DCA on 03/29.

ASSISTANT: Do you have any other specifications?

USER: Connection limit is one. Price should not exceed 5000.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: We are happy to say that we found a Hawaiian airline matching your specifications. Flight number 1024 with single connection and fare is 100.

USER: Ok, please book my ticket for Hawaiian airline.

ASSISTANT: Your ticket has been processed.

USER: Thank you for your assistance.

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