You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am planning to go IAD from DFW. Can you help me to book a flight ticket?

ASSISTANT: Sure, do you have any connection limit?

USER: I need a connecting flight to meet my friend in between my journey.

ASSISTANT: Help me with the travelling dates.

USER: Dates are 02/15 and 02/17.

ASSISTANT: Give me a minute.

USER: Ok.

ASSISTANT: May I know your name?

USER: Larry Davis here.

ASSISTANT: There is a flight in airline Spirit and number is 1005.

USER: Please book that flight.

ASSISTANT: Your ticket is booked, happy journey.

USER: Thank you so much.