You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you help me to book a ticket from HOU to PHX?

ASSISTANT: Sure, may I know your name please?

USER: Dorothy Adams here.

ASSISTANT: Ok, please share your travelling dates of journey.

USER: My trip dates are Mar 18 and Mar 20 respectively.

ASSISTANT: Is there any specific class preference for you?

USER: No.

ASSISTANT: Do you have any other specifications please?

USER: Make sure that connection limit is 1.

ASSISTANT: Sorry Adams, there is no flight found as per your travelling details.

USER: No problem.

ASSISTANT: Thank you for opting us.

USER: Thank you.