You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit the Dallas tacos & margaritas coach tour which is located in Dallas & Fort Worth, DFW. Can you avail me to book a flight ticket?

ASSISTANT: Sure, I am happy to help you. Could you please tell us your name?

USER: Amy Martin here.

ASSISTANT: May I know your source airport code?

USER: My source is from Seattle, SEA.

ASSISTANT: Noted. Please help me with your travel dates.

USER: My travel dates are Apr 09 and 11.

ASSISTANT: Are you looking for a stopover in your journey?

USER: I need a break in my journey.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no flight available on your preferred travel dates.

USER: Ok, no issues. Thanks for your kind service.

ASSISTANT: Thank you for contacting us.