You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Myself Shirley Wright.

ASSISTANT: Ok.

USER: I want to attend my colleague's ring ceemony, can you please search a flight with 1 connection?

ASSISTANT: Ok, may I know your travel dates?

USER: Sure, my travelling dates are from 01/21 till 01/23.

ASSISTANT: Please send me your travel codes?

USER: My airport codes are from DCA to IAH.

ASSISTANT: Sorry, no flights found with your details.

USER: That's ok, thank you for checking.

ASSISTANT: Most welcome.