You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you help me to book a flight ticket from SEA to EWR?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My preferable journey dates are Apr 29 and May 01.

ASSISTANT: Do you have any specifications?

USER: I don't have any specifications.

ASSISTANT: Please provide your name.

USER: My name is Ashley Lewis.

ASSISTANT: The Frontier airline is providing an economy class flight with price 100 and the connections 2. Shall I confirm your ticket?

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Your ticket is booked. The flight number is 1017.

USER: Thank you for your help.

ASSISTANT: Welcome, have a great day.