You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Barbara Williams.

ASSISTANT: How may I help you?

USER: Can you please reserve me a flight ticket from LAX to CLT?

ASSISTANT: May I know your preferable depart and return journey timings?

USER: I want to return in the evening.

ASSISTANT: May I know your itinerary dates please?

USER: My travel dates are from May 2nd to May 4th.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I want a break in between my journey.

ASSISTANT: We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thanks for reaching us.