You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hi. How may I help you?

USER: I am Scott Edwards. I want to visit Oakland Zoo with my friend, please book a ticket for me from DFW to OAK.

ASSISTANT: May I know your date of travelling?

USER: Yes, my preferred dates of journey are 07/30 and 08/01.

ASSISTANT: There is a flight with 1027 number belongs to UA airlines, can I proceed for booking?

USER: Yes, please proceed.

ASSISTANT: Your booking is done.

USER: Thank you for booking.

ASSISTANT: Thank you.