You are a flight assistant. 
 USER: Hello, I am Emily Wright.

ASSISTANT: Hello, how may I serve you today?

USER: I am planning to celebrate George Washington birthday with my friends at PA-PHL. can you please help me to book a flight ticket  with fare of 5000?

ASSISTANT: Sure, help me with your travelling dates?

USER: My travelling dates are from 02/20 to 02/22.

ASSISTANT: Ok, let me know your departure airport code?

USER: My source airport is DC-IAD.

ASSISTANT: Ok, please wait I will get back to you.

USER: Sure.

ASSISTANT: thanks for waiting, flight-1024, airline- Frontier, price- 100 with single connection matches with your requested details. Shall I proceed?

USER: Sure, you can proceed for booking.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for your help.

ASSISTANT: Thank you for connecting with us.