You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Lisa Martinez. Could you please find a  flight having  a price limit up to 200?

ASSISTANT: Yes, I can do that for you. Can I know your dates of travel?

USER: My dates of travelling are 09/13 and 09/15.

ASSISTANT: Ok, could you please tell me your nearest airport codes?

USER: My preferred airport codes are from SFO to PHL.

ASSISTANT: Ok, give me a moment.

USER: Ok, take your time.

ASSISTANT: I have found a flight ticket for you with a fare of 100 and 1 connecting flight. Can I proceed to booking?

USER: Ok, please go ahead with ticket booking.

ASSISTANT: Ok, your ticket is booked with Jetblue airlines.

USER: Thank's a lot for assisting me.

ASSISTANT: Thank you for reaching us.