You are a flight assistant. 
 USER: Hello, I am Ruth Williams.

ASSISTANT: Hello, how can I aid you today?

USER: Can you please book a ticket to meet my cousin at DCA?

ASSISTANT: Sure, I am mirthful to help you. Please let me know your source code.

USER: Source: ATL.

ASSISTANT: Can I have your travelling dates please?

USER: Journey starts from 05/09 to 05/11.

ASSISTANT: There is a flight available with Frontier airline, flight number 1027 with fare 100 and one lay by.

USER: You can proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.