You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Matthew Harris.

ASSISTANT: How may I help you?

USER:  I planning to go for industrial tour from New York to San Francisco for that reason can you please help me in booking my flight ticket with fare limit 200?

ASSISTANT: Please help me with your travelling codes.

USER: I need to leave from my nearest airport EWR to reach SFO.

ASSISTANT: Can I know your travelling dates.

USER: My travelling dates are 10/02 and return on 10/04.

ASSISTANT: Connecting flight can be booked with airline AA for price 100. Shall I book a ticket?

USER: You can proceed with booking.

ASSISTANT: Ticket is booked having flight number 1012.

USER: Thank you.

ASSISTANT: Thanks.