You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Lisa Evans. I am planning to travel from EWR to DCA, help me in booking a flight?

ASSISTANT: Sure, may I know your trip dates please?

USER: My travelling dates are 05/04 to 05/06.

ASSISTANT: There is a flight which can travel to your region having a single lay out in between your journey having a ticket fare of 100 which is provided by Frontier airlines. Would you like to book this flight for your journey?

USER: Proceed for booking.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you.

ASSISTANT: Most welcome.