You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I render you at this moment?

USER: Can you help me to book a flight from HOU to ORD?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travel dates are June 26 and 28.

ASSISTANT: Ok, do you need any lay by in between the journey?

USER: Yes.

ASSISTANT: Ok, do you have any other specifications?

USER: No.

ASSISTANT: May I know your good name please?

USER: Sarah Adams here.

ASSISTANT: There are no flights found on your requested dates.

USER: Ok, thank you.

ASSISTANT: Thank you for reaching us.