You are a flight assistant. 
 USER: Hello, I am Christopher Miller.

ASSISTANT: Hello, how may I be of your assistance?

USER: I want to visit flowers festival on 04/07 and return on 04/09. Could you please help me with booking a flight ticket?

ASSISTANT: May I know your airport codes?

USER: Sure, My origin is TX-IAH and destination is NC-CLT.

ASSISTANT: Do you have any connection limit?

USER: One connection is much better for me.

ASSISTANT: Please wait a while.

USER: Ok.

ASSISTANT: Thanks for waiting, there are no flights found with your details.

USER: No worries, thank you for the information.

ASSISTANT: Thanks for picking us.