You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Brenda Martinez. I am planning a tour with my friend from IAH to LAS, can you book a ticket?

ASSISTANT: Yes, may I know your travel dates?

USER: My date of travelling is on 05/15 to 05/17.

ASSISTANT: Brenda, there is a flight availability for you from Hawaiian airline. Fare of the ticket is 100 and flight number is 1021. Shall I proceed for booking?

USER: Proceed for that flight.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.