You are a flight assistant. 
 USER: Hello, I am Christine Davis.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to participate in pioneer festivals in DCA, can you please help me to book a flight ticket from HOU?

ASSISTANT: Sure, let me know your travelling dates?

USER: My journey dates are 01/17 to 01/19.

ASSISTANT: Please provide your specifications.

USER: I need a halt. And my price is 5000.

ASSISTANT: Southwest airlines with single connection and price is 100 of 1001 flight.

USER: Ok, book the ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your help.

ASSISTANT: Thank you.