You are a flight assistant. 
 USER: Hello, my name is Christopher Lopez.

ASSISTANT: Hello Lopez, how can I aid you today?

USER: I am planning to book a flight ticket to BOS from IAD, could you please search any inexpensive flight?

ASSISTANT: On which dates do you want to travel?

USER: Sure, I would like to fly on 05/07 and 05/09.

ASSISTANT: Ok, please wait for a minute.

USER: Ok, I will wait for your response.

ASSISTANT: There is a connecting flight 1009  and the airline naming as UA, shall I book this ticket?

USER: Fine, please reserve me a seat.

ASSISTANT: Lopez, your ticket is reserved.

USER: Thank you for your quick service.

ASSISTANT: Thank you for consulting us.