You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Ruth King here.

ASSISTANT: How can I help you?

USER: I would like to book a ticket from PHX to DCA, can you please help me with that?

ASSISTANT: Sure. Let me know your travel dates?

USER: The travel dates are from 05/15 to 05/17.

ASSISTANT: Connecting flight can be booked with airline Delta for price 200 having flight number 1026.

USER: Please proceed.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thanks.