You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Timothy Turner.

ASSISTANT: How can I help you, Turner?

USER: I would like to meet my cousin at San Francisco. Can you help me in booking a ticket from IAD to SFO?

ASSISTANT: Sure, may I know your journey dates please?

USER: My planned journey dates are 01/02 and 01/04.

ASSISTANT: Please wait for a minute.

USER: Ok, take your time.

ASSISTANT: I found a flight in Delta airlines with price 200. Shall I book the ticket for you?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket is confirmed and the flight number is 1014.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.