You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you now?

USER: I have to attend my final examination in Phoenix, can you please help me to reserve a flight ticket from Washington?

ASSISTANT: Ok, may I know your planned dates for this journey?

USER: Thank you. I would like to travel on the dates of Aug 22 and Aug 24.

ASSISTANT: May I know your preferred airport codes?

USER: The preferred airport codes are IAD and PHX.

ASSISTANT: May I know your connection preference?

USER: I need a single connecting flight.

ASSISTANT: Please mention your good name.

USER: My name is Nancy Phillips.

ASSISTANT: Please share your other requirements.

USER: I would like to book an economy class ticket to travel.

ASSISTANT: Flight-1022 is available for you with 1 connection by United Airlines. Can I book it for you?

USER: Yes, please book the ticket for me.

ASSISTANT: Your ticket is reserved with an economy class flight.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching our assistance.