You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Joshua Hernandez, planning to visit Washington. Can you please book me a ticket in single connected flight?

ASSISTANT: Sure, can you share your trip dates?

USER: My planned dates of journey are from 02/05 to 02/07.

ASSISTANT: Do you have any specifications?

USER: I need ticket fare under 5000.

ASSISTANT: Can you share your airport codes?

USER: My nearest airport codes of journey are from BOS to DCA.

ASSISTANT: Give me a minute.

USER: Sure, take your own time.

ASSISTANT: There is a connecting flight with number 1009 in airline Spirit, the fare is 200. Can I book it?

USER: Please book my ticket with this airlines.

ASSISTANT: Your ticket is booked.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for opting us.