You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Mary Scott from Washington. I am very interested in painting, so I have to participate in an international competition. Can you please help me in flight ticket booking from DCA to LAX locations?

ASSISTANT: Yes, I can help you. Can you tell me your travelling dates?

USER: Thank you for your response and I am planning to move on 06/10 and arrival back on 06/12.

ASSISTANT: Give me a moment.

USER: Sure, I will wait for your response.

ASSISTANT: I have found a flight ticket with a price of 300 and 1 connection.

USER: I am ok with the price and connection limit, you can confirm my flight ticket booking.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your immediate help in my flight ticket booking.

ASSISTANT: Thank you for contacting us.

USER: Welcome.