You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

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

ASSISTANT: Sure, may I know your travel dates please?

USER: My travel dates are June 29 and July 01.

ASSISTANT: Would you like any break in between your journey?

USER: Yes, I prefer break in between my journey.

ASSISTANT: Any other preferences?

USER: I would like to depart in the evening time and return back in the evening time.

ASSISTANT: Can you mention your name to proceed further?

USER: I am Barbara Phillips.

ASSISTANT: Sorry, no flights found as per your requirement.

USER: Sorry, I would like to return back in the morning time. Can You check it once?

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: I checked again but no flights found as per your requirements.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for contacting us.