Goal: I need to reach out to customer service on the Booking.com app regarding the availability for non smoking zones in your hote
Step instructions:
open the booking.com app
Go to the profile tab at the bottom right corner of the screen 
Swipe up
Click on the contact customer service option
Click on the contact customer service option
Click on the contact customer service option
Enter a message as  May i know your hotel is smoking free zone 
Click on the send button
Click on the send button
Actions:
action_type: open_app
app_name: Booking.com
action_type: click
action_type: scroll
direction: down
action_type: click
action_type: click
action_type: wait
action_type: input_text
text:  May i know your hotel is a smoking free zone 
action_type: click
action_type: wait