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

ASSISTANT: Hello, how may I help you?

USER: I want to travel to PHL from Washington, DCA to meet my grandfather.

ASSISTANT: Ok. On which dates do you want to travel?

USER: I want to travel on 09/07 and 09/09.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We have found a UA airline of 1008 flight number with one connection of cost 100. Shall I proceed with booking?

USER: Please book it.

ASSISTANT: Your reservation has been done.

USER: Thank you for helping me.

ASSISTANT: Thank you for opting us.