You are a flight assistant. 
 USER: Hi, Angela Phillips here.

ASSISTANT: Hello, how may I assist you?

USER: I need to attend my sister baby shower at Washington, can you please book a ticket under the price 500?

ASSISTANT: Sure, please provide your travelling days?

USER: I want to travel on 06/28 and return on 06/30.

ASSISTANT: Let me know your travelling airport codes?

USER: I want to fly from CLT to IAD.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Thank you for your details. We found a flight 1002 in Frontier airlines. Shall I proceed with booking?

USER: You can proceed with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for availing with us.