You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Susan Lee, can you help me booking flights on 01/02 and 01/04?

ASSISTANT: Susan, may I know your respective airport codes please?

USER: My travelling airport codes are LGA to DCA.

ASSISTANT: Please give me a minute.

USER: Ok, I will wait for your reply.

ASSISTANT: Susan, I found a flight in Hawaiian airlines available with price 200. Shall I book the ticket for you?

USER: Ok, book it.

ASSISTANT: Your ticket is confirmed and the flight number is 1015.

USER: Thank you for confirming my flight ticket.

ASSISTANT: Thank you for choosing us, have a good day.