You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I want to book a ticket from IAH to DCA to attend my sister wedding.

ASSISTANT: Sure, can you please share your preferable journey dates?

USER: My journey dates are Apr 17 and Apr 19.

ASSISTANT: May I know your name please?

USER: Sure, I am Sharon Wilson.

ASSISTANT: Do you have any other specifications?

USER: I would like to fly in single connected flight.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.