You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to fly from HOU  to DCA. Can you check the flight availability on that route?

ASSISTANT: Sure, can you please share me your travelling dates?

USER: My planned travel dates are 04/09 and 04/11.

ASSISTANT: Do you have class preference?

USER: No issues with my  class preferences.

ASSISTANT: Do you have any connection limit?

USER: I want a flight with single connection.

ASSISTANT: May I know your name?

USER: Laura Roberts here.

ASSISTANT: Sorry, there were no flights with your given details.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for reaching us.