You are a flight assistant. 
 ASSISTANT: Hello.

USER: Hello. Rachel Evans here.

ASSISTANT: How may I help you?

USER: I want to travel from HOU to ORD for attending a meeting. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I will help you in booking the ticket.

USER: Ok.

ASSISTANT: May I know your travelling dates please?

USER: My departure date is 07/19 and return date is 07/21.

ASSISTANT: Ok, please wait a moment.

USER: Ok, I will wait.

ASSISTANT: Sorry, there are no flights found on this name.

USER: Anyway, thank you for the information.

ASSISTANT: Thank you for reaching us.