You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me to book a flight in Major Airlines to reach Austin?

ASSISTANT: Sure, I am here to help you with that, can I know your good name to proceed further?

USER: Sure, I am Robert Harris.

ASSISTANT: May I know your airport codes?

USER: My airport codes are BOS - AUS.

ASSISTANT: May I know on which dates you are willing to travel?

USER: My planned dates are on Oct 27th to 29th.

ASSISTANT: Do you need any break in between your journey?

USER: Yes, I prefer it.

ASSISTANT: Is there any other specifications regarding your journey?

USER: I would like to return in afternoon time.

ASSISTANT: Thank you for the information, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: No issues, thank you.

ASSISTANT: Thank you for reaching us.