You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Can you please help me in booking my flight ticket from PHL to DCA?

ASSISTANT: Please share your itinerary dates.

USER: My travelling dates are 12/22 and 12/24.

ASSISTANT: Let me check our website for any available flight.

USER: Ok.

ASSISTANT: Hawaiian airlines with flight 1007 is available.

USER: Ok, please proceed with Ruth Evans.

ASSISTANT: Ruth, your ticket is reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.