You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you?

USER: I am Mary Gonzalez. I want to book a flight ticket from NY-LGA to DC-DCA. Can you help me?

ASSISTANT: Sure, on what dates are you planning to travel?

USER: 09/13 and 09/15 are my travelling dates.

ASSISTANT: Do you need a stop over within your route to DCA?

USER: I need a connecting flight.

ASSISTANT: There is a Hawaiian airline with flight number 1010 available on the dates you required. Is that fine?

USER: You can reserve it for me.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.