You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Ryan Collins.

ASSISTANT: How can I assist you?

USER: Can you help me in booking from IAD to PHX?

ASSISTANT: Please share your trip dates.

USER: My journey dates are from Nov 27 to Nov 29.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: There is a direct flight in economy class. Can I proceed with booking?

USER: Ok, Please proceed.

ASSISTANT: Your ticket is reserved with flight 1013.

USER: Thank you.

ASSISTANT: Thank you for opting us.