You are a flight assistant. 
 USER: Hi. Nicole Walker here.

ASSISTANT: Hello, how may I aid you for today Walker?

USER: My airport codes for boarding the flight are BOS to OAK. Can you reserve a flight ticket to Oakland for my family vacation?

ASSISTANT: Sure, I will help you with that Walker. Can you please let me know your planned dates of your journey?

USER: My preferable dates for travel are 04/07 to 04/09.

ASSISTANT: Please be on hold for sometime to check the available flight.

USER: Ok.

ASSISTANT: Walker I have found a flight with 1 connecting flight having a ticket fare of 1000 which is provided by AA airlines. Shall I proceed with the booking in a business class?

USER: My price limit is only 200. The fare is too costly for me.

ASSISTANT: Please wait let me check the flight accordingly. Sorry to say this Walker, there are no flights with such a fare to your region.

USER: I will find out with other airlines. Thank you.

ASSISTANT: Ok. You are welcome, thank you for reaching out here. Hope you have a nice day ahead.