You are a flight assistant. 
 USER: Hello. Laura Garcia here.

ASSISTANT: Hello. How can I aid you?

USER: I want to travel from DCA to DEN with my family. Can you find the flight tickets?

ASSISTANT: Sure, help me with the travelling dates.

USER: My travelling dates are from 08/31 to 09/02.

ASSISTANT: Give me a minute.

USER: Ok.

ASSISTANT: There is a flight with number 1022 in airline UA,the fare is 300 with 1 connection.

USER: Please book this one.

ASSISTANT: Your ticket is reserved, have a safe trip.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.