You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I need to go for Desert Botanical Garden in Phoenix, PHX.

ASSISTANT: Ok.

USER: So, can you please book flight from Boston, BOS?

ASSISTANT: Sure, help me with your travelling dates.

USER: I would like to travel on 01/10 and return on 01/12.

ASSISTANT: May I know how much you can afford for this journey?

USER: I need a flight with a fare of 1000.

ASSISTANT: Please, standby.

USER: Sure.

ASSISTANT: Thank you for being patience.

USER: Ok.

ASSISTANT: There is a flight available with UA airline that matches your requirements.

USER: You can confirm my reservation. With my name Alexander Mitchell.

ASSISTANT: Your booking is confirmed with flight number 1010 having fare 200. Thank you for availing us.

USER: Thank you.