You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Matthew Williams.

ASSISTANT: How may I assist you now?

USER: I need to book a flight ticket from IAH to SFO to meet my friends.

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable dates of travelling?

USER: My travelling dates are May 1 and May 3.

ASSISTANT: Which class do you prefer either economy or business?

USER: I do not have any class preference.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: I want to return in the afternoon.

ASSISTANT: Do you have any connection limit?

USER: I need a stop over in between the journey.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Thank you for waiting and we have found a flight in an economy class with 1 connection in UA airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: You can proceed with booking.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1027.

USER: You can proceed with booking. Thank you for your help.

ASSISTANT: Thank you for reaching us, have a great day.