You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I aid you?

USER: I need a ticket from Houston, TX-IAH to Dallas & Fort Worth, TX-DFW.

ASSISTANT: May I know your good name please?

USER: I'm Jacob Garcia.

ASSISTANT: Could you please provide me your travelling dates?

USER: Return by 11/28 and departure on 11/26.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, unfortunately there is no flight on your details.

USER: Thanks.