You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I am excited to go Haunted Pub tour at Washington, can you help me with booking a connecting flight?

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

USER: I want to fly on 09/27 and recur on 09/29.

ASSISTANT: Please provide your airport codes that you want to travel.

USER: I want to start from PHL and land at DCA.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a flight with price 100 and the connections 1 is available. Shall I confirm your ticket?

USER: Please proceed.

ASSISTANT: Please mention your name.

USER: I am Justin Garcia.

ASSISTANT: Your ticket is booked. The flight number is 1021 and the airline is Southwest.

USER: Thanks for your response.

ASSISTANT: Welcome, have a great day.