You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Alexander Edwards.

ASSISTANT: How can I serve you?

USER: Can you please help me in booking a flight ticket to Boston, BOS to visit some famous places over there?

ASSISTANT: Sure, let me know your source airport code please?

USER: Chicago, ORD is my take off airport code.

ASSISTANT: Kindly mention your travelling dates?

USER: I am planning to travel on 07/12 and return on 07/14.

ASSISTANT: How much you can afford for a flight ticket?

USER: I can afford up to 500 for my journey.

ASSISTANT: Thanks for your details, I found a connecting flight with 1007 flight number from Frontier airline of fare 100. Shall I proceed?

USER: Please, proceed.

ASSISTANT: Your flight ticket has been processed.

USER: Thank you for your assistance.

ASSISTANT: Thanks for choosing us. Have a nice day.