You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Rachel Martinez here.

ASSISTANT: How can I assist you today?

USER: I would like to fly Houston to receive my sister from the airport there.Can you assist me to book a flight from Los Angeles, CA - LAX?

ASSISTANT: Sure, may I know your journey dates to proceed the booking?

USER: Yes, my journey dates are 05/03 and 05/05.

ASSISTANT: May I know your destination code?

USER: Sure, my destination code is TX - HOU.

ASSISTANT: I found a flight for you with price 100 and flight number is 1021.Shall I proceed the booking?

USER: Yes, proceed.

ASSISTANT: I confirmed your ticket successfully.

USER: Thank you for the booking.

ASSISTANT: Thank you for contacting us.

USER: You are welcome.

ASSISTANT: Have a safe journey.