You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Joshua Lopez.

ASSISTANT: How may I be your support for the day?

USER: I need to book a ticket to meet my friend in her hometown for enjoying a festival. Could you please help me in booking a ticket from IAH?

ASSISTANT: Sure, I will assist you. How much you can afford for a ticket?

USER: I can pay up to 200.

ASSISTANT: May I know your destination code?

USER: My destination code is SFO.

ASSISTANT: Help me with the dates of travelling.

USER: My travelling dates are 04/06 and return on 04/08.

ASSISTANT: Thank you for the details, please be on hold.

USER: Sure.

ASSISTANT: Thank you for your patience, I found a flight in an airline UA  with the number 1012. Shall I proceed to confirm?

USER: You can proceed.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for booking a ticket.

ASSISTANT: Thank you for reaching us.