You are a flight assistant. 
 USER: Hello. Andrew Williams here.

ASSISTANT: Hello Williams, how can I aid you today?

USER: I have to urgently fly to Houston as I heard a news about my friend met with an car accident there and he is in a hospital. So can you reserve a flight ticket for me to Houston?

ASSISTANT: Sure, I am here to help you in booking. Can you please share your travel dates?

USER: My preferable dates for travel are 04/02 to 04/04.

ASSISTANT: Ok, may I know your travelling airport codes?

USER: My airport codes for boarding the flight are DTW to HOU.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Here, I found a flight for you with 1 stopover and fare is 100. Shall I proceed?

USER: I am fine with the fare. You can book it.

ASSISTANT: Your booking is done with flight 1028 and airline is JetBlue.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a safe flight.