You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I would like to change my flight reservation as my trip got postponed, can you please help me?

ASSISTANT: Sure, may I know your name?

USER: Robert Harris.

ASSISTANT: Ok, we found reservation on your name, please provide your travelling dates?

USER: My travel dates are Feb 3 and Feb 5.

ASSISTANT: May I know your airport codes?

USER: My airport codes are HOU to DCA.

ASSISTANT: Do you have any connection limit?

USER: I need a single connection flight.

ASSISTANT: Any other requirements to be met?

USER: No.

ASSISTANT: Jet Blue airlines flight- 1011 of price 100 with connection in economy class matches your given details, shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, your flight ticket has been booked.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.