You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, may I know your travelling dates?

USER: My travel dates are from Mar 18th to Mar 20th.

ASSISTANT: Do you have any connection limit?

USER: I want a single connection in between my journey.

ASSISTANT: Do you have any other specifications?

USER: I want to return in the evening.

ASSISTANT: We found an airline Spirit with flight 1012 having a fare 100 which returns at 2:00 hours.

USER: Please proceed with booking on the name of Patricia Robinson.

ASSISTANT: Your booking has been processed with direct flight.

USER: Thank you.

ASSISTANT: Thank you.