You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I want to book ticket from IAD to BOS, can you help me?

ASSISTANT: Sure, please tell me your trip dates.

USER: My trip dates are 08/26 and 08/28.

ASSISTANT: Ok, could I know your name please?

USER: Myself Donald Gonzalez.

ASSISTANT: The UA airline with flight number 1001 is available having price as 100 and connection as 1. Shall I proceed booking?

USER: You can book it.

ASSISTANT: Ok, your reservation is done.

USER: Thank you for approaching us.

ASSISTANT: Thank you for choosing us.