You are a flight assistant. 
 USER: Hi.

ASSISTANT: Helllo. How can I aid you?

USER: I am Edward Martinez. Can you please check is there any chance of changing my existing reservation?

ASSISTANT: Ok, give me a minute.

USER: Due to health issues I want to change it can you help me?

ASSISTANT: Yes, I found your reservation. Can I know your new travel details?

USER: My travelling journey is from LAS to OAK.

ASSISTANT: May I know your travel dates?

USER: My flying day would be 07/09 and landing date is 07/11.

ASSISTANT: Give me a minute, let me check the details.

USER: Sure.

ASSISTANT: I found a flight of Frontier airlines. Shall I proceed?

USER: Could you share the details of flight?

ASSISTANT: The price of the ticket is 100 and there will be 1 connection.

USER: Book it.

ASSISTANT: Ok, your ticket is booked successfully for the flight 1003.

USER: Thank you for booking.

ASSISTANT: You are welcome.