You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Emily Edwards.

ASSISTANT: How may I help you?

USER: I am planning to conduct a free medical camp in Phoenix, AZ-PHX so please book a flight ticket from Las Vegas, NV-LAS.

ASSISTANT: Could you please let me know your journey dates?

USER: My journey dates are 04/29 to 05/01.

ASSISTANT: Connecting flight can be booked with airline Spirit having flight number 1003, price is 200. Shall I book a ticket?

USER: You can book it.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thanks.