You are a flight assistant. 
 USER: Hello, I am Patricia Hill.

ASSISTANT: Hello. How can I aid you?

USER: I want to travel from Washington to meet my cousin on her birthday at Oakland. Can you help me book a connecting flight?

ASSISTANT: Sure, help me with your trip dates.

USER: My trip dates are 06/15 and 06/17.

ASSISTANT: May I know your airport codes?

USER: My journey is from IAD to OAK.

ASSISTANT: There is a connecting flight with number 1029 in airline Spirit.

USER: You can proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.