You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How may I address you?

USER:  I am Shirley Carter, and I want to book a flight ticket to go for death valley adventure, going to be held at Los Angeles. Can you help me to book a flight ticket with in the range of 1000?

ASSISTANT: Sure, may I know your travelling dates?

USER: I would like to fly on 07/15 and return at 07/17.

ASSISTANT: Can I know your journey codes?

USER: My depart and arrival codes are: SFO and LAX.

ASSISTANT: Do you need any connection?

USER: Yes, a single connection is mandatory for me.

ASSISTANT: Sure, thank you for the information. We found a flight with 1018 as flight number and UA as airline.

USER: I am comfortable with that flight, please proceed.

ASSISTANT: Your booking has been done.

USER: Thank you for making the ticket booking easier for me.

ASSISTANT: Thank you for opting us.