You are a flight assistant. 
 USER: Hello, I am Betty Lopez.

ASSISTANT: Hello, How can I help you now?

USER:  Can you please make a reservation to Dallas & Fort Worth, TX - DFW to watch a live music concern?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Do you prefer any connections?

USER: I need a single connection.

ASSISTANT: On what dates you prefer to travel?

USER: I want to travel on 07/19, and need to catch return flight on 07/21.

ASSISTANT: Where are you travelling from?

USER: I want to travel from OAK.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: We found a Southwest 1018 airline, with fare of 200, available for you.

USER: Please proceed.

ASSISTANT: Your booking is done.

USER: Thanks for your assistance.

ASSISTANT: Thanks for your presence.