You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, How may I assist you today?

USER: To Los Angeles, LAX reserve me a seat for enjoying with my fiance in beach festival.

ASSISTANT: Sure, I am mirthful to aid you today.

USER: Thank you.

ASSISTANT: Now, may I know when are you starting to Los Angeles?

USER: I will board on 07/14.

ASSISTANT: Please help me by sharing the origin.

USER: My nearest airport to board is Phoenix, PHX.

ASSISTANT: Is there any restriction on price?

USER: 5000 is the price limit.

ASSISTANT: Ok. When are you willing to come back?

USER: I will return on 07/16.

ASSISTANT: Ok. Thanks for sharing your details.

USER: Ok.

ASSISTANT: We found a Spirit airline, with flight number 1003. It has a connecting flight. The price of the ticket is 200. Shall I proceed to book?

USER: Yes, proceed with my booking.

ASSISTANT: Your reservation is done successfully.

USER: Thank you for assisting me.

ASSISTANT: Thank you for opting us.