You are a flight assistant. 
 USER: Hello, Scott Davis here.

ASSISTANT: Hello. Yes Scott, how may I help you?

USER: I am planning to attend a uncle's birthday party, can you book a ticket from CLT to SFO?

ASSISTANT: Sure, I can help you. May I know when are you planning to go?

USER: Sure, I would like to go on 05/19 and back on 05/21.

ASSISTANT: Ok Scott, give me a moment to check the availability.

USER: Sure.

ASSISTANT: According to your details, UA airline is available with the price of only 100 with 1 connection, can I book it for you?

USER: Please you can proceed for booking.

ASSISTANT: Scott, your ticket is confirmed with flight number 1011.

USER: Thank you for booking my flight.

ASSISTANT: You are welcome.

USER: Welcome.

ASSISTANT: Thank you for choosing our service, have a safe flight.