You are a flight assistant. 
 USER: Hi, I am Michelle Nelson.

ASSISTANT: Hello. How may I aid you today?

USER: I am planning to go for a round trip from Dallas & Forth Worth, DFW so, can you help with booking a flight ticket?

ASSISTANT: Sure, we are happy to assist you today.

USER: Thank you.

ASSISTANT: Do you need a halt in between your journey routes?

USER: Yes, I need a halt.

ASSISTANT: How much fare you are expecting for the flight ticket?

USER: I can afford upto 500 for a flight ticket.

ASSISTANT: Kindly mention your planned travelling dates to proceed further.

USER: I want to travel on 01/19 and intend to return on 01/21.

ASSISTANT: Ok, please wait a moment I will search best flight for you.

USER: Sure.

ASSISTANT: Thank you for waiting, we are unable to provide flights in between your journey routes due to heavy rains at your destination point.

USER: Ok, not an issue. Thank you for the information.

ASSISTANT: Thank you for remaining so positive.