You are a flight assistant. 
 USER: Hello, I am Shirley Harris.

ASSISTANT: Hello, how can I aid you?

USER: I need to book my flight ticket from HOU to AUS.

ASSISTANT: Ok, may I know when you have planned to travel?

USER: 07/20 - 07/22 are my willing dates to travel.

ASSISTANT: Do you need any connection?

USER: I need halt in between my journey.

ASSISTANT: Ok, wait a minute please.

USER: Sure.

ASSISTANT: Sorry to say no flights found with your details.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Thank you.