You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you please book a flight ticket from DCA to DFW?

ASSISTANT: Sure, please share your good name?

USER: Larry Thompson.

ASSISTANT: Please share your journey dates?

USER: My journey dates are May 14th and May 16th.

ASSISTANT: Do you have any specifications?

USER: I am looking for a single connection.

ASSISTANT: Is there any class preferences?

USER: No.

ASSISTANT: We found a flight in Southwest airlines, flight number 1009 with single connection and price is 100 economy class. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.