You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Amy White here.

ASSISTANT: How can I assist you?

USER: Book a ticket from PHL to OAK, to meet my grandfather.

ASSISTANT: Sure Amy, can I know the travel dates please?

USER: Sure, my trip dates are from 05/19 and 05/21.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: There is a flight in JetBlue airline with price 100, can I book it?

USER: Yes, you can.

ASSISTANT: Your ticket has been booked with flight number 1001.

USER: Thanks for your service.

ASSISTANT: You are welcome.